what is demitasse
Full Definition of DEMITASSE. : a small cup of black coffee; also: the cup used to serve it.See demitasse defined for English-language learners.See demitasse defined for kids. ADVERTISEMENT. a small amount of black coffee that is served in a small cup; also: the cup used to serve it. : a small cup of black coffee; also: the cup used to serve it. See demitasse defined for English-language learners.