lernæa

from The Century Dictionary.

• noun The typical genus of Lernæidæ, formerly regarded as belonging to the group of nematoid intestinal worms. The male of L. branchialis is 2 or 3 millimeters long, the female twice as large. Also Lernea.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Zoöl.) A Linnæan genus of parasitic Entomostraca, -- the same as the family Lernæidæ.