from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A strap passing under the neck of a horse for holding a bridle or halter in place.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Part of a horse's bridle that prevents the bridle from coming off over the horse's head.
from the GNU version of the Collaborative International Dictionary of English
- n. A strap of a bridle, halter, or the like, passing under a horse's throat.
from The Century Dictionary and Cyclopedia
- n. The upper under-part of a horse' s throat, around which the throatlatch of the harness passes: used in describing the characters or ‘points’ of a horse.
- n. In a harness, a strap which passes under a horse's neck and helps to hold the bridle in place; a throat-band. See cut under harness.
throat + latch (Wiktionary)