n. [ Dim. of involucre, or involucrum: cf. F. involucelle. ] (Bot.) A partial, secondary, or small involucre. See Illust. of Involucre. [ 1913 Webster ]
a. (Bot.) Furnished with involucels. [ 1913 Webster ]
‖n.; pl. Involucella [ NL. ] See Involucel. [ 1913 Webster ]