Nit \Nit\, n. [AS. hnitu; akin to D. neet, G. niss, OHG. niz; cf. gr. ?, ?, Icel. gnit, Sw. gnet, Dan. gnid, Russ. & Pol. gnida, Bohem. hnida, W. nedd.]

(Zo["o]l.) The egg of a louse or other small insect.

Nit grass (Bot.), a pretty annual European grass (Gastridium lendigerum), with small spikelets somewhat resembling a nit. It is also found in California and Chili.

Source: Webster's Revised Unabridged Dictionary (1913)