Noun:

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

CAMabbr.计算机辅助制造=computer-aided manufacturingn.凸轮calypson.卡利普索民歌；匙唇兰Calypso.n.[希神]卡吕普索(海之女神)calyx end萼端calyx bit钢粒钻头calyx lobe萼片calyx pore萼孔calyx tube萼筒calyx meto苦丁香calyx kaki[医] 柿蒂calyx liber离生萼calyx lobes花萼裂片calyx drill萼状钻,岩心管钻粒钻机,萼状取芯钻

1. Calyx encloses an unopened flower bud.
   花萼围绕在花瓣的外层。