elasmobranch

adjective

1. belonging or pertaining to the Elasmobranchii, the subclass of cartilaginous fishes comprising the sharks and rays.

noun

2. an elasmobranch fish.

noun

1. any cartilaginous fish of the subclass Elasmobranchii (or Selachii), which includes the sharks, rays, dogfish, and skates

adjective

2. of, relating to, or belonging to the Elasmobranchii

1. Any of numerous cartilaginous fishes of the subclass Elasmobranchii, having five to seven gill slits on each side, dermal denticles for scales, and a small respiratory opening (spiracle) behind each eye. The pectoral fins of elasmobranchs are often greatly enlarged. Elasmobranchs include the sharks, rays, and skates.