Silhouette: (sĭl'ū-ĕt') Def: noun. 1. The dark shape and outline of someone or something visible in restricted light against a brighter background; 2. A representation of someone or something showing the shape and outline only, typically coloured in solid black. verb. Cast or show as a silhouette. Originating in the eighteenth century and named for an unknown reason after the French author and politician Étienne de Silhouette.