a. (sb.) Ichth. [f. mod.L. Triodon, -ont- (f. Gr. τρι-, TRI- ὀδούς tooth; so called from the divided upper jaw and undivided lower jaw, suggesting three teeth) + -OID.] Resembling or allied to the genus Triodon of plectognath fishes. b. sb. A fish of this genus or family.
1891. in Cent. Dict.