caliculus

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp)
• Syn:
calyculus, calycle
• Derivationally related forms:
calycular (for: calyculus), calicular (for: calyculus)
• Hypernyms:
structure, anatomical structure, complex body part, bodily structure, body structure
• Hyponyms:
optic cup, eyecup