(1):

(n.) A mantis.

(2):

(n.) A European bulbous liliaceous plant (Urginea, formerly Scilla, maritima), of acrid, expectorant, diuretic, and emetic properties used in medicine. Called also sea onion.

(3):

(n.) Any bulbous plant of the genus Scilla; as, the bluebell squill (S. mutans).

(4):

(n.) A squilla.