English: rebate
Welsh: rabed
Subject: Ystadau a Cadw
English definition: A rectangular shaped recess cut into the edge of a piece of timber. 
Welsh definition: Cilfach betryal wedi ei thurio i mewn i ymyl darn o bren.
Welsh context: Ffynhonnell: Taflen wybodaeth gyhoeddus Cyngor Gwynedd.