cacicus

from The Century Dictionary.

• noun A genus of American oscine passerine birds, the caciques, of the family Icteridæ, comprehending numerous species of Mexico and Central and South America, typical forms of which have a large bill, very stout at the base, rising upon the forehead somewhat like a casque. Such are C. persicus (Linnæus) and C. hæmorrhous (Linnæus). Now usually spelled Cassicus.
• noun A genus of Coleoptera, of the family Melasomidæ.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a genus of tropical American orioles