Added 9 October 2026 overcoat /ˈəʊvəkəʊt/ noun Categories: ThingsRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about overcoat at Wordnik → Where our words come from → A heavy garment worn over other clothes, for protection from cold or weather. An outer coat, an outer coating (of paint, etc). Wait 24 hours before applying an overcoat. verb To apply an exterior coating to. Wait 24 hours before overcoating with either this product or a clearcoat. Related Words: greatcoatsurcoattopcoatraincoatcloakcoatjacketsuitmantleshieldoutfitsnowpack Back to today's word