TermCymru

Results are displayed in alphabetical order.
English: black bean sauce
Welsh: saws ffa du
Status C
Subject: Food
Part of speech: Noun, Masculine, Singular
Last Updated: 8 November 2011
English: black bog ant
Welsh: morgrugyn du'r gors
Status A
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Formica candida
Last Updated: 13 December 2012
English: black carbon pigment
Welsh: pigment carbon du
Status B
Subject: Waste
Part of speech: Noun, Masculine, Singular
Definition: Pigment (deunydd lliwio) a wnaed o'r sylwedd du carbon.
Last Updated: 10 April 2024
English: Black Caribbean
Welsh: Du Caribïaidd
Status B
Subject: Personnel
Part of speech: Adjective
Notes: Categori ethnigrwydd
Last Updated: 25 June 2020
English: black dogfish
Welsh: morgi du
Status B
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Centroscyllium fabricii
Last Updated: 19 August 2021
English: black ear tag
Welsh: tag clust du
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last Updated: 17 June 2004
English: black European
Welsh: Ewropeaidd du
Status C
Subject: Personnel
Part of speech: Adjective
Last Updated: 22 June 2007
English: black-eyed beans
Welsh: ffa llygatddu
Status B
Subject: Food
Part of speech: Noun, Plural
Definition: Vigna unguiculata
Notes: Mae'r ffurfiau black-eyed peas a cowpeas yn ffurfiau cyffredin yn Saesneg hefyd.
Last Updated: 4 December 2023
English: black-grass
Welsh: cynffonwellt du
Status C
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 20 January 2006
English: black grass
Welsh: cynffonwellt du
Status C
Subject: Plants
Part of speech: Noun, Masculine, Singular
Definition: Alopecurus myosuroides
Last Updated: 28 March 2018
English: black grouse
Welsh: grugiar ddu
Status C
Subject: Birds
Part of speech: Noun, Feminine, Singular
Last Updated: 13 July 2010
English: black hat
Welsh: het ddu
Status B
Subject: ICT
Part of speech: Noun, Feminine, Singular
Definition: Un sy'n hacio i rwydwaith gyfrifiadurol at ddibenion maleisus neu anghyfreithlon.
Notes: Cymharer â white hat / het wen. Defnyddir yn ansoddeiriol hefyd: â het ddu
Last Updated: 13 October 2021
English: black-headed gull
Welsh: gwylan benddu
Status C
Subject: Birds
Part of speech: Noun, Feminine, Singular
Last Updated: 4 August 2004
English: Black History Month
Welsh: Mis Hanes Pobl Ddu
Status B
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Notes: Argymhellir peidio â defnyddio’r ansoddair lluosog “duon”.
Last Updated: 4 October 2022
English: #BlackHistoryMonth
Welsh: #MisHanesPoblDdu
Status B
Subject: Culture and the arts
Part of speech: Noun, Masculine, Singular
Last Updated: 31 October 2024
English: Black Inclusion Week
Welsh: Wythnos Cynhwysiant Pobl Ddu
Status B
Subject: General
Part of speech: Noun, Feminine, Singular
Last Updated: 16 May 2024
English: black knapweed
Welsh: y bengaled
Status A
Subject: Plants
Part of speech: Noun, Feminine, Singular
Definition: centaurea nigra
Notes: Mae'r enw hwn yn gyfystyr â 'common knapweed'.
Last Updated: 21 June 2022
English: black knapweed
Welsh: y bengaled
Status A
Subject: Plants
Part of speech: Noun, Feminine, Singular
Definition: Also called 'common knapweed'.
Last Updated: 29 February 2012
English: Black Leadership Group
Welsh: Black Leadership Group
Status A
Subject: General
Part of speech: Noun, Masculine, Singular
Notes: Menter ar gyfer y Deyrnas Unedig gyfan.
Last Updated: 15 June 2023
English: blacklister
Welsh: cosbrestrwr
Status A
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last Updated: 9 June 2014
English: blacklisting
Welsh: cosbrestru
Status A
Subject: Justice and order
Part of speech: Verb
Last Updated: 9 June 2014
English: Black Lives Matter
Welsh: Mae Bywydau Du o Bwys
Status B
Subject: Community development
Part of speech: Proper noun
Notes: Slogan a mudiad rhyngwladol gyda'r nod o sicrhau tegwch a chyfiawnder i bobl a chymunedau du.
Last Updated: 11 June 2020
English: Black Lives Matter Wales
Welsh: Mae Bywydau Du o Bwys Cymru
Status B
Subject: Community development
Part of speech: Proper noun
Last Updated: 25 March 2021
English: blackmail
Welsh: blacmel
Status B
Subject: Law
Part of speech: Noun, Masculine, Singular
Notes: Teitl ar drosedd
Last Updated: 27 November 2025
English: blackmail
Welsh: blacmelio
Status B
Subject: Justice and order
Part of speech: Verb
Last Updated: 2 August 2012
English: blackmailer
Welsh: blacmeliwr
Status B
Subject: Justice and order
Part of speech: Noun, Masculine, Singular
Last Updated: 2 August 2012
English: black medick
Welsh: maglys du
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Last Updated: 22 September 2004
English: Blackmill
Welsh: Melin Ifan Ddu
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Pen-y-bont ar Ogwr. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Pen-y-bont ar Ogwr (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: Blackmoor Hill
Welsh: Bryn Blackmoor
Status C
Subject: Place-names
Part of speech: Proper noun
Definition: Pembrokeshire
Last Updated: 6 May 2005
English: Black Mountains College
Welsh: Coleg y Mynydd Du
Status A
Subject: Education
Part of speech: Noun, Masculine, Singular
Last Updated: 7 September 2023
English: blackmouth dogfish
Welsh: morgi cegddu
Status B
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: Galeus melastomus
Last Updated: 4 April 2019
English: Blackness
Welsh: Duder
Status A
Subject: General
Part of speech: Noun, Masculine, Singular
Definition: Y nodwedd o fod â chroen lliw tywyll a’r diwylliannau positif a all fod yn gysylltiedig â hynny, yn enwedig yn Unol Daleithiau America.
Notes: Daw'r term hwn o gasgliad y Grŵp Gorchwyl a Gorffen ar Derminoleg ym maes Cydraddoldeb o ran Hil ac Ethnigrwydd. Diffiniad a nodiadau defnydd y Grŵp a gofnodir gyda'r cofnod hwn: "Defnyddiwch briflythyren lle bo modd i adlewyrchu dimensiwn diwylliannol y disgrifiad hwn o bobl. Yr unig eithriad yw lle bo angen cysondeb rhwng dwy ddogfen yn y ddwy iaith a bod yn rhaid i’r cyfieithiad ddilyn arddull y gwreiddiol."
Last Updated: 18 April 2023
English: black North American
Welsh: du Gogledd America
Status C
Subject: Personnel
Part of speech: Adjective
Last Updated: 22 June 2007
English: Black or Black British
Welsh: Du neu Ddu Prydeinig
Status A
Subject: Personnel
Part of speech: Adjective
Definition: ethnic group used in 2001 Census
Last Updated: 26 April 2005
English: black poplar
Welsh: poplysen ddu
Status A
Subject: Plants
Part of speech: Noun, Feminine, Singular
Definition: Populus nigra
Last Updated: 19 August 2025
English: black powder
Welsh: powdr du
Status B
Subject: ICT
Part of speech: Noun, Masculine, Singular
Last Updated: 19 July 2005
English: black raspberry
Welsh: mafon y gorllewin
Status B
Subject: Plants
Part of speech: Noun, Masculine, Singular
Definition: Rubus occidentalis
Notes: Osgöir ‘mafon duon’ am fod hwnnw’n amrywiad tafodieithol Cymraeg ar ‘fwyar duon’.
Last Updated: 19 December 2024
English: black sea bream
Welsh: merfog du
Status A
Subject: Animals
Part of speech: Noun, Masculine, Singular
Definition: fish
Context: Spondyliosoma cantharus
Last Updated: 8 June 2011
English: black shark
Welsh: morgi du
Status B
Subject: Animals
Part of speech: Noun, Masculine, Singular
Last Updated: 14 March 2019
English: black spot of elm
Welsh: smotiau duon llwyfen
Status C
Subject: Law
Part of speech: Noun, Plural
Last Updated: 22 September 2009
English: black spotted
Welsh: brithddu
Status A
Subject: Agriculture
Part of speech: Adjective
Definition: Horse markings
Last Updated: 29 April 2005
English: Black Swan
Welsh: Alarch Du
Status B
Subject: General
Part of speech: Noun, Masculine, Singular
Plural: Elyrch Duon
Definition: Digwyddiad anrhagweladwy sydd y tu hwnt i'r disgwyliadau arferol ac sydd â goblygiadau a allai fod yn ddifrifol.
Notes: Roedd sylfaenydd theori'r Alarch Du, Nassim Nicholas Taleb, yn nodi y dylid defnyddio priflythrennau gyda’r term hwn bob tro. Serch hynny, yng nghyd-destun cyfieithu mae'n debyg y bydd angen dilyn patrwm y testun gwreiddiol yn y rhan fwyaf o achosion.
Last Updated: 7 December 2023
English: black-tailed godwit
Welsh: rhostog gynffonddu
Status A
Subject: Birds
Part of speech: Noun, Feminine, Singular
Plural: rhostogod cynffonddu
Definition: Limosa limosa
Last Updated: 23 March 2021
English: blackthorn
Welsh: draenen ddu
Status A
Subject: Plants
Part of speech: Noun, Feminine, Singular
Plural: drain duon
Definition: prunus spinosa
Last Updated: 21 June 2022
English: Blackwood
Welsh: Coed-duon
Status C
Subject: Place-names
Part of speech: Proper noun
Definition: Caerphilly
Last Updated: 12 September 2007
English: Blackwood
Welsh: Coed-duon
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Caerffili. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Caerffili (Trefniadau Etholiadol) 2021.
Last Updated: 17 August 2022
English: Blacon
Welsh: Blacon
Status A
Subject: Place-names
Part of speech: Proper noun
Definition: Lle yn Lloegr.
Last Updated: 2 May 2013
English: bladder
Welsh: pledren
Status C
Subject: Health
Part of speech: Noun, Feminine, Singular
Plural: pledrenni
Last Updated: 30 August 2024
English: bladder scan
Welsh: sgan o'r bledren
Status B
Subject: Health
Part of speech: Noun, Masculine, Singular
Plural: sganiau o'r bledren
Last Updated: 23 September 2025
English: blade shearing
Welsh: cneifio â gwellau
Status C
Subject: Agriculture
Part of speech: Verb
Last Updated: 23 March 2012