noun
also chaffron or chafron or chamfrain or chanfron
( -s )
Etymology: Middle English shamfron, from Middle French chanfrein, from Old French, irregular from chafresner to subdue, make obedient, from chief head (from Latin caput ) + frener to bridle, from Latin frenare, from frenum bridle — more at head , refrain
: the headpiece of a horse's bard