A type of snaffle bit, with small rings, usually used on a double bridle in conjunction with a curb bit.(noun)
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Use "bridoon" in a sentence
"It was the custom, after having unsaddled one's mount, to pass a hasty oil-rag over bit and bridoon and stirrups, and then to fall to upon the grooming of the horse."
"Back to the horse, to be again assailed by Number Two for not having obeyed the order about the bridoon and stirrup-irons."
"'What the ----' (any competent person who knows barrack life can fill in the blank) 'do you mean by letting your bridoon and stirrup-irons lie rusting here?"