[ throht-lach ]
/ ˈθroʊtˌlætʃ /
a strap that passes under a horse's throat and helps to hold a bridle or halter in place.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for throatlatch
At once the old man released the bridle and readjusted the throatlatch.The Heritage of the Hills|Arthur P. Hankins
The Ghost is creeping up again, wearing down horse after horse, finally reaching tna's throatlatch.Cape of Storms|Percival Pollard
The throatlatch should admit four fingers between it and the throat.