Main Entry: elas·mo·branch

Pronunciation: \i-ˈlaz-mə-ˌbraŋk\

Function: noun

Inflected Form(s): plural elas·mo·branchs

Etymology: ultimately from Greek elasmos metal plate (from elaunein) + branchia gills

Date: 1872

: any of a subclass (Elasmobranchii) of cartilaginous fishes that have five to seven lateral to ventral gill openings on each side and that comprise the sharks, rays, skates, and extinct related fishes

— elasmobranch adjective