Definition of calyx noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈkeɪlɪks//
; NAmE NAmE//ˈkeɪlɪks//
(pl. calyxes, calyces
BrE BrE//ˈkeɪlɪsiːz//
; NAmE NAmE//ˈkeɪlɪsiːz//
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the ring of small green leaves (called sepals ) that protect a flower before it opens Word Originlate 17th cent.: from Latin, from Greek kalux ‘case of a bud, husk’, related to kaluptein ‘to hide’.
See the Oxford Advanced American Dictionary entry: calyx