American English

Definition of calyx noun from the Oxford Advanced American Dictionary

 

calyx

 noun
noun
NAmE//ˈkeɪlɪks//
 
(pl. calyxes or calyces
NAmE//ˈkeɪləsiz//
 
, NAmE//ˈkæləsiz//
 
)
(technology)
 
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the ring of small green leaves (calledsepals) that protect a flower before it opens
See the Oxford Advanced Learner's Dictionary entry: calyx