The University of Wales Dictionary of the Welsh Language (GPC)Oabject LanguageWelshMETALANGAUGEWelsh, EnglishGENREGeneral dictionars, Historical dictionars, Etymological dictionarshttps://geiriadur.ac.uk/gpc/gpc.html
University of Wales Trinity St David Welsh-English / English-Welsh On-line DictionaryOabject LanguageWelshMETALANGAUGEWelsh, EnglishGENREGeneral dictionars, Learner's dictionarshttp://geiriadur.uwtsd.ac.uk/index.php
Online version of Cysgair and the Termiadur AddysgOabject LanguageWelshMETALANGAUGEWelsh, EnglishGENREPortals an aggregators, General dictionars, Learner's dictionarshttp://geiriadur.bangor.ac.uk/