designating or of a class (Chondrichthyes) of fishes characterized by cartilaginous skeletons, placoid scales, and lack of air bladders
noun
any fish of this class, as the shark, skate, or ray
See elasmobranch in American Heritage Dictionary 4
(ĭ-lăzˈmə-brăngkˌ)
noun
Any of numerous fishes of the class Chondrichthyes, characterized by a cartilaginous skeleton and placoid scales and including the sharks, rays, and skates.