from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A louse that deposits nits on horses.
from the GNU version of the Collaborative International Dictionary of English
- n. The horse louse; an insect that deposits nits on horses.
from The Century Dictionary and Cyclopedia
- n. An insect which deposits its nits on animals, as an œstrus or bot-fly. See cut under bot-fly.
nit + -er (Wiktionary)