Ler*ne"an (lẽr*nē"an),
n. [See Lernæa.] (Zoöl.)
One of a family (Lernæidæ) of parasitic
Crustacea found attached to fishes and other marine animals. Some
species penetrate the skin and flesh with the elongated head, and
feed on the viscera. See Illust. in Appendix.