a. and sb. Also lernean. [f. L. Lernæ-us, Gr. Λερναῖος (f. L. Lerna, Gr. Λέρνη, the name of a marsh in Argolis) + -AN. The mod. use is prob. an allusion to the Lernæan Hydra, a monster inhabiting this marsh.]
A. adj. Pertaining to the Lernæa, a Linnæan genus of parasitic entomostracans, now limited to certain species infesting the gills of the cod.
1835. Kirby, Hab. & Inst. Anim., II. xiv. 25. A very remarkable Lernean parasite.
1852. Dana, Crust., I. 4. The most degraded Lernæan forms have the sluggishness of the lowest worms.
B. sb. One of the genus Lernæa.
1835. Kirby, Hab. & Inst. Anim., II. xiv. 22. The Lerneans he [Cuvier] has placed in his first order of Intestinal Worms.
1876. Benedens Anim. Parasites, 97. The Lernæans also have females excessively various in size and appearance.