1. a village in southwestern Wales where the Sealyham terrier was first bred • Instance Hypernyms: village, hamlet • Part Holonyms: Wales, Cymru, Cambria 2. a wire-haired terrier with short legs that was first bred in Sealyham • Syn: Sealyham terrier • Regions: Wales, Cymru, Cambria • Hypernyms: Welsh terrier