Cas-sid'e-ous, a.
a. [Lat. cassis, helmet.] (Bot.) Helmet-shaped;— a term applied to an irregular corolla, having the upper petal dilated into a broad, helmet-shaped leaf, as in aconitum. Lindley.
a. [Lat. cassis, helmet.] (Bot.) Helmet-shaped;— a term applied to an irregular corolla, having the upper petal dilated into a broad, helmet-shaped leaf, as in aconitum. Lindley.