the GNU version of the Collaborative International Dictionary of English
n. A halter consisting of a long leather or rope strap and headstall, -- used for leading or tieing a pack animal.
The Century Dictionary and Cyclopedia
n. A form of halter with a nose-piece that can be tightened, so that it may serve instead of the head-piece of a bridle.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. rope or canvas headgear for a horse, with a rope for leading
Word Usage
"She put the chestnut through his paces—walk, trot, canter, change leads, round turns—until she was satisfied the horse was working nicely and responding well to the pressure of the hackamore."