Sciaenoid \Sci*ae"noid\, a. [L. sciaena a kind of fish (fr. Gr. ?) + -oid.] (Zool.) Of or pertaining to the {Sciaenidae}, a family of carnivorous marine fishes which includes the meagre ({Sciaena umbra} or {Sciaena aquila}), and fish of the {drum} and {croaker} families. The {croaker} is so called because it may make a croaking noise by use of its bladder; the {Atlantic croaker} ({Micropogonias undulatus}, formerly {Micropogon undulatus}) and the squeteague are a members of the croaker family, and the {kingfish} is a drum. [1913 Webster +PJC]