a. Ichth. [f. mod.L. Lyomerus (f. Gr. λύειν to loosen + μέρος part, joint) + -OUS.] Of or pertaining to the Lyomeri or loose-jointed fishes.
1885. Riverside Nat. Hist. (1888), III. 110. Both of the types of lyomerous fishes have very peculiar pedunculated appendages in the place of the lateral line.
