adj. shaped like a bell or campana; campaniform. Syn. -- campanulate, campanulated, campaniform, campaniliform. [ WordNet 1.5 ]
n. [ L. campanula a bell. ] (Zool.) A hydroid of the family Campanularidæ, characterized by having the polyps or zooids inclosed in bell-shaped calicles or hydrothecæ. [ 1913 Webster ]