Elasmobranchii
Pronunciation : E*las`mo*bran"chi*i
Part of Speech : n.
Etymology : [NL., fr. Gr. branchia a gill.] (Zo?l.)
Definition : Defn: A subclass of fishes, comprising the sharks, the rays, and the Chim?ra. The skeleton is mainly cartilaginous.
pl.
Source : Webster's Unabridged Dictionary, 1913