noun (plural ~es or calyces) see: chalice Date: 1693 the usually green outer whorl of a flower consisting of sepals, a cuplike animal structure (as the body wall of a crinoid or a division of the kidney pelvis)
CALYX
Meaning of CALYX in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012