English: polished plate
Welsh: gwydr plât gloyw
Subject: Ystadau a Cadw
English definition: Glass which has been cast flat, then ground and polished and therefore has two smooth faces.
Welsh definition: Gwydr a gastiwyd yn wastad, a’i lifanu a’i loywi nes bod ganddo ddau wyneb esmwyth o ganlyniad.
Welsh context: Ffynhonnell: Taflen wybodaeth gyhoeddus Cyngor Gwynedd.