TermCymru

Results are displayed in Welsh alphabetical order A-Y
Welsh: Act on CO2
English: Act on CO2
Status C
Subject: Environment
Definition: Enw cyfrifydd carbon (carbon calculator) Defra. Mae'n bosibl mai 'Lleihau'ch CO2' fydd y fersiwn Gymraeg.
Last updated: 11 July 2007
Welsh: Agerblygu i YYYYYYYYY - A i Y o goetiroedd, coed a choedwigaeth
English: Age to Zzzzzzzzz - An A to Z of woodlands, trees and forestry
Status A
Subject: Environment
Part of speech: Proper noun
Definition: Cyhoeddwyd gan Gymdeithas Coedwigoedd Bychain.
Last updated: 10 March 2006
Welsh: arwynebedd y coed
English: tree area
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Definition: mewn perllannau ar gyfer cynhyrchu ystadegau
Last updated: 1 September 2004
Welsh: bonion coed conwydd
English: conifer stumps
Status C
Subject: Plants
Part of speech: Noun, Plural
Last updated: 5 December 2006
Welsh: brych y coed
English: speckled wood
Status A
Subject: Environment
Part of speech: Noun, Masculine, Singular
Definition: type of butterfly
Last updated: 28 September 2005
Welsh: Bryngaer Coed Llanmelin
English: Llanmelin Wood Hillfort
Status A
Subject: Estates and Cadw
Part of speech: Proper noun
Notes: Dyma'r ffurfiau a ddefnyddir yn swyddogol gan Cadw yn y ddwy iaith am yr heneb dan sylw. Safonwyd gan Banel Safoni Enwau Lleoedd Comisiynydd y Gymraeg, mewn ymgynghoriad â Cadw.
Last updated: 24 October 2024
Welsh: clefyd (Chalara) coed ynn
English: Chalara disease of ash
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Context: Also known as "ash dieback".
Last updated: 13 November 2012
Welsh: clefyd (Chalara) coed ynn
English: ash dieback
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Context: Also known as "Chalara disease of ash".
Last updated: 13 November 2012
Welsh: clwydfan mewn coed
English: tree roost
Status A
Subject: Environment
Part of speech: Noun, Feminine, Singular
Context: Lluosog: clwydfannau mewn coed.
Last updated: 29 April 2014
Welsh: CO2e
English: CO2e
Status C
Subject: Environment
Part of speech: Neutral
Definition: Equivalent carbon dioxide.
Last updated: 8 June 2011
Welsh: coed
English: wood
Status C
Subject: Law
Part of speech: Noun, Masculine, Singular
Definition: An area of land smaller than a forest covered with growing trees.
Last updated: 1 February 2005
Welsh: Coed Actif
English: Actif Woods
Status C
Subject: Environment
Part of speech: Proper noun, Plural
Last updated: 17 July 2014
Welsh: coed afalau surion
English: crab apple
Status C
Subject: Environment
Part of speech: Noun, Plural
Last updated: 27 February 2006
Welsh: coed a phren
English: trees and timber
Status C
Subject: Environment
Part of speech: Noun, Plural
Last updated: 11 September 2007
Welsh: coed brodorol o stoc leol
English: locally derived native tree stock
Status C
Subject: Environment
Part of speech: Noun, Plural
Last updated: 3 August 2010
Welsh: Coed Cadw
English: Woodland Trust
Status A
Subject: Environment
Part of speech: Noun, Plural
Definition: Coed Cadw yw’r enw a ddefnyddir yng Nghymru (yn y ddwy iaith). Weithiau, rhoddir "The Woodland Trust" mewn cromfachau ar ei ôl yn y Saesneg.
Last updated: 26 February 2009
Welsh: Coed, Cen a Thir Parc
English: Lichen, Trees & Parklands
Status B
Subject: Environment
Part of speech: Noun, Masculine, Plural
Context: Glastir
Last updated: 28 May 2012
Welsh: coed chwip
English: whips
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Definition: trees
Last updated: 27 February 2006
Welsh: coed cnau Ffrengig
English: walnut
Status C
Subject: Food
Part of speech: Noun, Plural
Last updated: 13 May 2013
Welsh: coed conwydd
English: conifers
Status C
Subject: Plants
Part of speech: Noun, Plural
Last updated: 1 September 2004
Welsh: coed cysgodi
English: shelterwood
Status B
Subject: Environment
Part of speech: Noun, Plural
Context: * � Shelterbelts and shelterwoods - carefully located shelterbelts can be used to reduce the impact of prevailing winter weather and reduce exposure for livestock. [1]
Last updated: 28 February 2024
Welsh: Coed Efa
English: Coed Eva
Status B
Subject: Place-names
Part of speech: Proper noun
Definition: Tor-faen
Last updated: 14 August 2003
Welsh: Coed Efa
English: Coed Eva
Status A
Subject: Place-names
Part of speech: Proper noun
Notes: Ward etholiadol ym Mwrdeistref Sirol Torfaen. Dyma'r enwau a ragnodwyd yn Gymraeg a Saesneg ar gyfer y ward yng Ngorchymyn Bwrdeistref Sirol Torfaen (Trefniadau Etholiadol) 2021.
Last updated: 17 August 2022
Welsh: coeden amnewid
English: replacement tree
Status A
Subject: Environment
Part of speech: Noun, Feminine, Singular
Plural: coed amnewid
Context: Rhaid plannu’r goeden amnewid yn y man lle’r oedd y goeden wreiddiol neu’n agos i’r man hwnnw.
Notes: Yng nghyd-destun y gyfundrefn gyfreithiol ar gyfer cynllunio.
Last updated: 18 February 2026
Welsh: coeden dynodi llwybr
English: wayfinding tree
Status B
Subject: Environment
Part of speech: Noun, Feminine, Singular
Plural: coed dynodi llwybrau
Last updated: 26 September 2019
Welsh: coeden ffylogenedd
English: phylogenetic tree
Status B
Subject: Environment
Part of speech: Noun, Feminine, Singular
Plural: coed ffylogenedd
Definition: Diagram sy’n darlunio’r berthynas rhwng gwahanol rywogaethau a’u hesblygiad dros amser.
Last updated: 30 June 2022
Welsh: coeden ffylogenedd ar gyfer cytras
English: clade phylogenetic tree
Status B
Subject: Environment
Part of speech: Noun, Feminine, Singular
Plural: coed ffylogenedd ar gyfer cytrasau
Definition: Diagram sy’n darlunio’r berthynas rhwng gwahanol rywogaethau sy’n tarddu o un cyd-hynafiad yn unig, a’u hesblygiad dros amser.
Last updated: 30 June 2022
Welsh: coeden geirios yr adar
English: bird cherry
Status A
Subject: Plants
Part of speech: Noun, Feminine, Singular
Plural: coed ceirios yr adar
Definition: Prunus padus
Last updated: 19 August 2025
Welsh: coeden lydanddail â hadau mân
English: small-seeded broadleaf
Status C
Subject: Plants
Part of speech: Noun, Feminine, Singular
Plural: coed llydanddail â hadau mân
Last updated: 3 November 2016
Welsh: coeden perth
English: hedgerow tree
Status C
Subject: Environment
Part of speech: Noun, Feminine, Singular
Plural: coed perthi
Last updated: 6 December 2016
Welsh: coed ffrwythau hirgyff
English: standard fruit trees
Status C
Subject: Environment
Part of speech: Noun, Plural
Last updated: 10 March 2006
Welsh: coed helyg
English: willow
Status C
Subject: Agriculture
Part of speech: Noun, Plural
Last updated: 6 April 2004
Welsh: coed hirgyff
English: standards
Status C
Subject: Plants
Part of speech: Noun, Plural
Definition: Trees with an upright stem.
Last updated: 19 August 2010
Welsh: Coed Hynafol, Coed Hynod a Choed Treftadaeth Cymru
English: Ancient, Veteran and Heritage Trees of Wales
Status A
Subject: Environment
Part of speech: Noun, Plural
Last updated: 10 June 2014
Welsh: Coed Lady Park
English: Lady Park Wood
Status B
Subject: Place-names
Part of speech: Proper noun
Definition: Wrecsam
Last updated: 14 August 2003
Welsh: coed meddw
English: drunken trees
Status C
Subject: Environment
Part of speech: Noun, Plural
Definition: Trees that list due to rapid melting of permafrost.
Last updated: 25 June 2007
Welsh: Coed mewn Cae gan gynnwys Coed Hynod (cynefin coediog)
English: In-field Trees including Veteran Trees (woody habitat)
Status B
Subject: Environment
Part of speech: Proper noun
Notes: Cynefin lled-naturiol a ddynodir yn y Cynllun Ffermio Cynaliadwy.
Last updated: 27 February 2024
Welsh: Coed pori a thir parc iseldir
English: Lowland wood pastures and parkland
Status C
Subject: Environment
Part of speech: Noun, Plural
Definition: Disgrifiad swyddogol o gynefin y rhoddir blaenoriaeth iddo yng Nghynllun Bioamrywiaeth y DU.
Last updated: 3 October 2003
Welsh: Coed Pori (cynefin coediog)
English: Wood Pasture (woody habitat)
Status B
Subject: Environment
Part of speech: Proper noun
Notes: Cynefin lled-naturiol a ddynodir yn y Cynllun Ffermio Cynaliadwy.
Last updated: 28 February 2024
Welsh: Coedwigaeth (Eithriadau rhag Cyfyngu ar Gwympo Coed) 1979
English: Forestry (Exceptions from Restriction of Felling) Regulations 1979
Status A
Subject: Titles of legislation
Part of speech: Noun, Feminine, Singular
Last updated: 12 September 2012
Welsh: corlan dan sglodion coed
English: wood chip corral
Status B
Subject: Agriculture
Part of speech: Noun, Feminine, Singular
Last updated: 17 July 2012
Welsh: Creu coridor ar ddwy lan nant a phlannu coed
English: Create streamside corridor on improved land on both sides with tree planting
Status C
Subject: Agriculture
Part of speech: Verb
Context: In the context of Glastir.
Last updated: 8 July 2010
Welsh: Creu coridor ar un lan nant a phlannu coed
English: Create streamside corridor on improved land on one side with tree planting
Status C
Subject: Agriculture
Part of speech: Verb
Context: In the context of Glastir.
Last updated: 8 July 2010
Welsh: cwympo coed
English: fell trees
Status C
Subject: Plants
Part of speech: Verb
Last updated: 5 December 2006
Welsh: cwympo coed
English: tree felling
Status A
Subject: Agriculture
Part of speech: Verb
Last updated: 21 July 2022
Welsh: cwympo coed a'u gadael i bydru
English: fell to waste
Status A
Subject: Agriculture
Part of speech: Verb
Last updated: 29 April 2014
Welsh: cysgod coed
English: tree shelter
Status C
Subject: Agriculture
Part of speech: Noun, Masculine, Singular
Last updated: 17 October 2005
Welsh: Darlithydd Gwaith Coed a Saernïaeth
English: Carpentry and Joinery Lecturer
Status B
Subject: Personnel
Part of speech: Noun, Masculine, Singular
Last updated: 4 March 2015
Welsh: dilyswyd drwy brawf CO
English: CO-validated
Status B
Subject: Health
Part of speech: Adjective
Definition: Yng nghyd-destun cynlluniau rhoi'r gorau i smygu, disgrifiad o gyn-smygwr sydd yn adrodd nad yw wedi smygu am 28 diwrnod ac sydd, ar yr 28ain diwrnod, wedi cael prawf carbon monocsid (CO) mewn anadl sydd yn dangos llai na 10ppm o CO.
Last updated: 17 March 2026
Welsh: diogelu coed a choetiroedd
English: preservation of trees and woodland
Status A
Subject: Environment
Part of speech: Verb
Notes: Ymadrodd sefydlog yn Neddf Cynllunio (Cymru).
Last updated: 18 February 2026