Bray

[Sarah]

To pound, beat, rub, or grind small or fine.Though thou shouldest bray a fool in a mortar, . . . yet will not hisfoolishness depart from him. Prov. xxvii. 22.

[Sarah]

To beat up

[Sarah]

the sound made by mules, onagers, right-wingers, donkeys and other members of the jackass family

[Gregory]

to make the loud noise typical of a donkey (= an animal like a small horse with long ears) :