'Headstall' definitions:

Definition of 'headstall'

(from WordNet)
noun
The band that is the part of a bridle that fits around a horse's head [syn: headstall, headpiece]

Definition of 'Headstall'

From: GCIDE
  • Headstall \Head"stall`\ (-st[add]l`), n. That part of a bridle or halter which encompasses the head. --Shak. [1913 Webster]