1. A farm horse, workhorse
2. A quiet plodding horse
ETYM Latin calyx, -ycis, from Greek kalyx husk, shell, calyx, from the root of kalyptein to cover, conceal. Related to Chalice Helmet.
The sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing a developing bud; usually green.
Outer covering of a flower.
Outer whorl of generally green floral leaves (sepals) in flower. The collective term for the sepals of a flower, forming the outermost whorl of the perianth. It surrounds the other flower parts and protects them while in bud. In some flowers, for example, the catchflies Silene of the pink family, the sepals are fused along their sides, forming a sticky tubular calyx.