călycŭlus, i, m. dim. [calyx],
I a small flower-bud , the cup or calyx of a flower , Plin. 20, 19, 78, § 205; 27, 5, 20, § 37; Ap. Met. 4, 2, 19.—
II Transf., the outer skin , hide of animals: echinorum, Ap. Mag. 35, p. 297, 4.