The Collaborative International Dictionary of English v.0.48:
Cypraeidae \Cypraeidae\ n. a natural family of marine gastropods comprising the cowries. Syn: family Cypraeidae. [WordNet 1.5]WordNet (r) 3.0 (2006):
Cypraeidae n 1: family of marine gastropods comprising the cowries [syn: Cypraeidae, family Cypraeidae]