WordNet (r) 3.0 (2006):
calyculus n 1: a group of bracts simulating a calyx as in a carnation or hibiscus [syn: epicalyx, false calyx, calycle, calyculus] 2: a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) [syn: calyculus, caliculus, calycle]