Main Entry: ca·lyx

Pronunciation: \ˈkā-liks also ˈka-\

Function: noun

Inflected Form(s): plural ca·lyx·es or ca·ly·ces \ˈkā-lə-ˌsēz also ˈka-\

Etymology: Latin calyc-, calyx, from Greek kalyx — more at chalice

Date: 1693

1 : the usually green outer whorl of a flower consisting of sepals
2 : a cuplike animal structure (as the body wall of a crinoid)