Word Study
Bridoon
CIDE DICTIONARY
The snaffle and rein of a military bridle, which acts independently of the bit, at the pleasure of the rider. It is used in connection with a curb bit, which has its own rein. Campbell. [1913 Webster]
OXFORD DICTIONARY
Bridoon, n. the snaffle and rein of a military bridle.
Etymology
F bridon f. bride bridle
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