calyculus

Noun	1.	calyculus - a group of bracts simulating a calyx as in a carnation or hibiscus calycle, epicalyx, false calyx bract - a modified leaf or leaflike part just below and protecting an inflorescence
	2.	calyculus - a small cup-shaped structure (as a taste bud or optic cup or cavity of a coral containing a polyp) caliculus, calycle optic cup, eyecup - (embryology) a two-walled cuplike depression that develops into the pigmented and sensory layers of the retina anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical structure; "he has good bone structure"

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