ˈkāliks, -ēks also ˈka- noun
( plural calyx·es -ksə̇z ; or caly·ces -ləˌsēz)
Etymology: Latin, from Greek kalyx — more at chalice
1. : the outer set of floral leaves making up the external part of the flower and consisting of separate or fused sepals that are usually green and foliaceous but often colored like the corolla — see corolla , perianth
2. : a cuplike division of the pelvis of the kidney surrounding one or more of the renal papillae
3. : any of various more or less cup-shaped zoological structures (as the body or the test of a crinoid or the calyculus of a coral)