- epicalyx, false calyx, calycle, calyculus - a group of bracts simulating a calyx as in a carnation or hibiscus
--1 is a kind of bract
- calyculus, caliculus, calycle - a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp)
--2 is a kind of structure, anatomical structure, complex body part, bodily structure, body structure
--2 has particulars: optic cup, eyecup