A bitless headpiece for leading or tying up a horse.(noun)
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Use "headcollar" in a sentence
"IIRC, all I could think of with the horse scene was, Get the damned headcollar of that thing!"
"She beckoned to George to come and hold Moonrock's headcollar and keep him soothed."
"George, holding him by the headcollar, said that the old boy just suddenly seemed to get his strength back and stood up, and he'd been eating some hay since then, and it was a right shame he'd got cast, that it was."