n. In ancient Greek costume, a form of mantle which left both arms free, worn especially by equestrians, hunters, and travelers, and by soldiers.n. A purple cope; one of the pontifical vestments.n. In zoology: A genus of phytophagous beetles, of the family Chrysomelidæ or Cryptocephalidæ, covered with tuberosities, having the prothorax grooved to receive the short antennæ; and the legs compressed and retractile into cavities.n. A genus of bivalve mollusks: synonymous with