Ca"lyx (?), n.; pl. E. Calyxes (#), L. Calyces (#). [L. calyx, -ycis, fr. Gr. husk, shell, calyx, from the root of to cover, conceal. Cf. Chalice Helmet.]
1. Bot.
The covering of a flower. See Flower.
The calyx is usually green and foliaceous, but becomes delicate and petaloid in such flowers as the anemone and the four-o'clock. Each leaf of the calyx is called a sepal.
2. Anat.
A cuplike division of the pelvis of the kidney, which surrounds one or more of the renal papilae.
© Webster 1913.