Nō'to-nō'ctĕ, n.

n. [Gr. νῶτος, back, and νήκτος, swimming, from νήχειν, to swim.] (Entom.) A genus of hemipterous insects, having the body somewhat in the shape of a boat, with the hind feet very long, generally stretched out at full length, and having the form, and performing the part, of oars. They are found in ponds and ditches, and swim always on the back; boat-fly. Baird.