Sacco play biographical name Sac·co \ˈsa-(ˌ)kō\ Definition of Sacco Nicola 1891–1927 & Vanzetti play \van-ˈze-tē\ Bartolomeo 1888–1927 Am. (Ital.-born) anarchists Writing? Check your grammar now! Seen and Heard What made you want to look up Sacco? Please tell us where you read or heard it (including the quote, if possible).