名詞 calyx:

1. (botany) the whorl of sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing and supporting the developing bud; usually green

1. Calyx encloses an unopened flower bud.
   花萼圍繞在花瓣外層的一圈。

ca.lyx

n.（名詞）
【復(fù)數(shù)】 ca.lyx.es 或 ca.ly.ces [k3.l-sôz., k2l.-]
The sepals of a flower considered as a group.
花萼：被看作一組的花之萼片
A cuplike structure or organ, such as one of the cuplike divisions of the pelvis or of the kidney.
杯狀器官：杯狀結(jié)構(gòu)或器官，如骨盆或腎的杯狀分岔
A collecting structure in the kidney.
腎總管，腎盂：腎中的集合結(jié)構(gòu)

來源：
Latin calyx calyc-
拉丁語 calyx calyc-
from Greek kalux
源自 希臘語 kalux