Collins Gem English Dictionary

Geiriadur poced cryno a chynhwysfawr Saesneg, yn cynnwys yr holl eiriau a diffiniadau sydd eu hangen arnoch ar gyfer bywyd yn yr 21ain ganrif. Ceir hefyd awgrymiadau i gynorthwyo gyda sillafu, gramadeg a defnydd ynghyd â chyngor am ysgrifennu creadigol.

A comprehensive, compact pocket English dictionary comprising all the words and definitions you need for life in the 21st century. Including tips to help with spelling, grammar and usage together with guidance on practical writing.