The Collaborative International Dictionary of English v.0.48:
Ceratopsidae \Ceratopsidae\ n. an extinct family of American ceratopsian dinosaurs. Syn: family Ceratopsidae. [WordNet 1.5]WordNet (r) 3.0 (2006):
Ceratopsidae n 1: American ceratopsian dinosaurs [syn: Ceratopsidae, family Ceratopsidae]