Added 9 October 2026 inlay /ɪnˈleɪ/ noun Categories: ThingsRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about inlay at Wordnik → Where our words come from → (dentistry) a filling consisting of a solid substance (as gold or porcelain) fitted to a cavity in a tooth and cemented into place. A decoration made by fitting pieces of wood into prepared slots in a surface. verb Decorate the surface of by inserting wood, stone, and metal. Related Words: embeddingfillingcomplianceusedpearlenlayinterlayencrustspillinletinsetinlace Back to today's word