TermCymru

Results are displayed in English alphabetical order A-Z
English: cause of action
Welsh: sail achos
Status A
Subject: Law
Part of speech: Noun, Masculine, Singular
Plural: seiliau achos
Definition: Y rheswm ffeithiol neu'r ddamcaniaeth gyfreithiol sy'n sylfaen ar gyfer hawliad neu ddadl yn y llys.
Notes: Weithiau defnyddir yr ymadrodd Lladin 'causa petendi' am y cysyniad cyfreithiol hwn. Gellir ychwanegu'r fannod pan fo'r achos yn un pendant: 'sail yr achos'.
Last Updated: 8 May 2025
English: causing bodily harm by wanton or furious driving
Welsh: achosi niwed corfforol drwy yrru’n ddireol neu’n wyllt
Status B
Subject: Law
Part of speech: Verb
Notes: Trosedd o dan Ddeddf Troseddau yn Erbyn y Person 1861. Fe’i defnyddir o bryd i’w gilydd pan na fydd troseddau gyrru eraill, mwy cyffredin, yn gymwys (ee os yw’r drosedd wedi digwydd oddi ar ffyrdd cyhoeddus).
Last Updated: 22 June 2023
English: causing death by aggravated vehicle taking
Welsh: achosi marwolaeth drwy gymryd cerbyd gwaethygedig
Status B
Subject: Law
Part of speech: Verb
Notes: Teitl ar drosedd
Last Updated: 27 November 2025
English: causing death by dangerous driving
Welsh: achosi marwolaeth drwy yrru'n beryglus
Status B
Subject: Justice and order
Part of speech: Verb
Last Updated: 6 August 2012
English: causing or allowing death or serious physical harm of child or vulnerable person
Welsh: achosi neu ganiatáu marwolaeth neu niwed corfforol difrifol i blentyn neu berson agored i niwed
Status B
Subject: Law
Part of speech: Verb
Notes: Teitl ar drosedd
Last Updated: 27 November 2025
English: caution
Welsh: rhybuddiad
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Context: by the police
Last Updated: 31 July 2012
English: caution
Welsh: rhoi rhybuddiad
Status B
Subject: Justice and order
Part of speech: Verb
Context: by the police
Last Updated: 31 July 2012
English: cautioning programme
Welsh: rhaglen rhoi rhybuddiad
Status B
Subject: Justice and order
Part of speech: Noun, Feminine, Singular
Last Updated: 31 July 2012
English: Caution in Use
Welsh: Gofal wrth Ddefnyddio
Status C
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: Rhan o’r geiriad mewn Rhybuddion Cyffuriau perthnasol.
Last Updated: 2 February 2009
English: caution plus
Welsh: rhybuddiad a mwy
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last Updated: 29 August 2012
English: CAUTS
Welsh: wynebau tenau iawn a osodwyd yn oer
Status C
Subject: Transport
Part of speech: Noun, Plural
Definition: Cold applied ultra thin surfacings.
Context: Road surfaces
Last Updated: 12 November 2014
English: CAV
Welsh: Cerbyd Cysylltiedig ac Awtonomaidd
Status A
Subject: Transport
Part of speech: Noun, Masculine, Singular
Plural: Cerbydau Cysylltiedig ac Awtonomaidd
Definition: Cerbyd yn cynnwys technolegau sydd - i ryw raddau neu'i gilydd - yn ategu'r gyrrwr neu'n disodli'r angen i'r gyrrwr reoli agwedd neu agweddau ar y cerbyd.
Notes: Dyma'r acronym Saesneg a ddefnyddir am Connected and Autonomous Vehicle.
Last Updated: 27 October 2020
English: Cavendish Coalition
Welsh: Clymblaid Cavendish
Status B
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: Grŵp o sefydliadau iechyd a gofal cymdeithasol sy’n lobïo ar faterion iechyd yn dilyn Brexit.
Context: Byddwn yn defnyddio'r cyllid i helpu Llywodraeth Cymru i gydlynu camau gweithredu penodol ar Brexit ar draws y Gwasanaeth Iechyd a chynrychioli buddiannau Cymru yng Nghlymblaid Cavendish a Chynghrair Iechyd Brexit.
Last Updated: 1 November 2018
English: cave rescue team
Welsh: tîm achub ogofâu
Status B
Subject: Fire and rescue
Part of speech: Noun, Masculine, Singular
Last Updated: 6 July 2012
English: Cave Review: Competition and Innovation in Water Markets
Welsh: Adolygiad Cave: Cystadlu ac Arloesi mewn Marchnadoedd Dŵr
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 6 April 2009
English: caves and overhangs
Welsh: ogofâu a bargodion
Status C
Subject: Environment
Part of speech: Noun, Plural
Definition: EU Habitats Directive Annex 1 Habitat
Last Updated: 14 February 2014
English: caviar
Welsh: cafiâr
Status C
Subject: Food
Part of speech: Noun, Masculine, Singular
Definition: Caviar is a delicacy consisting of salt-cured fish-eggs of the Acipenseridae family.
Last Updated: 9 June 2016
English: caving
Welsh: ogofa
Status B
Subject: Tourism and leisure
Part of speech: Verb
Last Updated: 29 March 2006
English: cavity
Welsh: ceudod
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: ceudodau
Definition: Lle gwag mewn craig.
Last Updated: 23 March 2023
English: Cavity Insulation Guarantee Agency
Welsh: Asiantaeth Gwarantau Inswleiddio Waliau Dwbl
Status A
Subject: Environment
Part of speech: Proper noun
Definition: CIGA
Last Updated: 20 April 2012
English: cavity wall
Welsh: wal geudod
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Last Updated: 12 February 2007
English: CAVO
Welsh: CMGC
Status C
Subject: Social services
Definition: Ceredigion Association of Voluntary Organisations
Last Updated: 4 February 2008
English: CAVOC
Welsh: Canolfan Orthopedig Caerdydd a'r Fro
Status A
Subject: Health
Part of speech: Noun, Feminine, Singular
Definition: Cardiff and Vale Orthopaedic Centre, Llandough Hospital
Last Updated: 4 April 2007
English: CAVS
Welsh: CGGSG
Status C
Subject: Social services
Part of speech: Noun, Feminine, Singular
Definition: Carmarthenshire Association of Voluntary Services
Last Updated: 8 October 2007
English: CAWAC
Welsh: CAWAC
Status B
Subject: Social services
Part of speech: Noun, Feminine, Singular
Notes: Dyma'r acronym a ddefnyddir yn y ddwy iaith am y Child and Adolescent Welfare Assessment Checklist / Rhestr Wirio Asesiad Lles Plant a'r Glasoed
Last Updated: 5 July 2017
English: CAWGW
Welsh: Grŵp Lles Anifeiliaid Anwes Cymru
Status A
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am y Companion Animal Welfare Group Wales.
Last Updated: 8 December 2022
English: Cayman Islands
Welsh: Ynysoedd Cayman
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Safonwyd yr enw hwn gan ddilyn yr egwyddorion a nodir yn yr erthygl 'Dynodi enwau gwladwriaethau, tiriogaethau a chenhedloedd diwladwriaeth' yn yr Arddulliadur.
Last Updated: 17 August 2021
English: CB
Welsh: Cydymaith Urdd y Baddon
Status C
Subject: Honorary titles
Part of speech: Noun, Masculine, Singular
Definition: Companion of the Order of the Bath
Last Updated: 15 July 2008
English: CBAT
Welsh: Yr Asiantaeth Gelf ac Adfywio
Status A
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Definition: The Arts & Regeneration Agency
Last Updated: 10 March 2006
English: CBAT The Arts & Regeneration Agency
Welsh: Yr Asiantaeth Gelf ac Adfywio
Status A
Subject: Culture and the arts
Part of speech: Noun, Feminine, Singular
Definition: CBAT
Context: Merged with Artworks Wales.
Last Updated: 10 March 2006
English: CBA Wales
Welsh: Cyngor Archaeoleg Brydeinig Cymru
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Council for British Archaeology Wales
Last Updated: 4 January 2005
English: CBC
Welsh: Cyngor Bwrdeistref Sirol
Status A
Subject: Local government
Part of speech: Noun, Masculine, Singular
Definition: County Borough Council
Last Updated: 23 July 2003
English: CBD
Welsh: Confensiwn ar Amrywiaeth Fiolegol
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: Convention on Biological Diversity
Last Updated: 10 January 2007
English: CBDC
Welsh: Corfforaeth Datblygu Bae Caerdydd
Status A
Subject: Economic development
Definition: Cardiff Bay Development Corporation
Last Updated: 15 July 2005
English: CBDS
Welsh: CBDS
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: Common Basic Data Set
Last Updated: 21 June 2006
English: CBE
Welsh: CBE
Status A
Subject: Honorary titles
Part of speech: Neutral
Definition: Commander of the British Empire
Last Updated: 15 March 2004
English: CBI
Welsh: Cydffederasiwn Diwydiant Prydain
Status C
Subject: Planning
Part of speech: Noun, Masculine, Singular
Definition: Confederation of British Industry
Last Updated: 5 November 2003
English: CBI Wales
Welsh: CBI Cymru
Status C
Subject: Economic development
Part of speech: Noun, Masculine, Singular
Last Updated: 5 November 2003
English: CBM
Welsh: methan glofa
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am coalbed methane.
Last Updated: 20 May 2021
English: CBMRT
Welsh: Tîm Achub Mynydd y Bannau Canolog
Status B
Subject: Fire and rescue
Part of speech: Proper noun, Masculine, Singular
Definition: Central Beacons Mountain Rescue Team
Last Updated: 4 July 2012
English: CBO
Welsh: Gorchymyn Ymddygiad Troseddol
Status C
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Definition: Criminal Behaviour Order
Last Updated: 15 July 2014
English: CBPV
Welsh: feirws parlys cronig y gwenyn
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Notes: Dyma'r acronym Saesneg a ddefnyddir am chronic bee paralysis virus.
Last Updated: 23 September 2020
English: CBRN
Welsh: Cemegol, Biolegol, Radiolegol neu Niwclear
Status C
Subject: Environment
Definition: Chemical, Biological, Radiological or Nuclear
Last Updated: 10 January 2007
English: CBSM
Welsh: marchnata cymdeithasol yn y gymuned
Status C
Subject: Economic development
Part of speech: Verb
Definition: community based social marketing
Last Updated: 19 July 2012
English: CBT
Welsh: therapi gwybyddol ymddygiadol
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Definition: cognitive behavioural therapy
Last Updated: 28 March 2008
English: CBW
Welsh: Busnes Creadigol Cymru
Status A
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Definition: Creative Business Wales. Part of International Business Wales.
Last Updated: 21 October 2008
English: CC
Welsh: Tystysgrif Coleg
Status C
Subject: Education
Part of speech: Noun, Feminine, Singular
Definition: College Certificate
Last Updated: 7 September 2006
English: C&C
Welsh: cyfrifiadur gorchymyn a rheoli
Status A
Subject: ICT
Part of speech: Noun, Masculine, Singular
Definition: command and control centre
Context: In an ICT system.
Last Updated: 5 March 2013
English: CCA
Welsh: Y Ddeddf Argyfyngau Sifil Posibl
Status C
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Context: Civil Contingencies Act
Last Updated: 27 January 2010
English: CCAB
Welsh: CCAB
Status C
Subject: Finance and statistics
Part of speech: Neutral
Definition: Consultative Committee of Accountancy Bodies
Last Updated: 23 September 2004