Cassideous

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Cassideous \Cas*sid"e*ous\, a. [L. Cassis helmet.] (Bot.)
     Helmet-shaped; -- applied to a corolla having a broad,
     helmet-shaped upper petal, as in aconite.
     [1913 Webster]