călyx (noun F) = κάλυξ:
* A plant of two kinds, perh. the monk's-hood, Plin. 27, 8, 36, § 58 sq.

călyx (noun M) = κάλυξ [καλύπτω: ; hence, any covering, husk, hull, shell]
* The bud, cup, or calyx of a flower.
* Lit.: narcissi,Plin. 21, 5, 12, § 25. rosae, id. 21, 4, 10, § 14; 21, 18, 73, § 121: papaveris,id. 20, 18, 76, § 198: lilii,id. 21, 5, 11, § 23.
* Transf.
* The shell of fruits, Plin. 15, 23, 25, § 92; 15, 22, 24, § 86; 23, 4, 43, § 86.
* An egg-shell, Plin. 28, 2, 4, § 19.
* The covering of shell-fish, etc., the shell, Plin. 9, 31, 51, § 100, 9, 56, 82, § 174; 32, 4, 14, § 39.
* A covering of wax around fruit to preserve it, Plin. 15, 17, 18, § 64.

s. TLL