Real Dictionary

bray
verb: If someone brays, they make a loud harsh sound or talk in a loud harsh way.
verb: When a donkey brays, it makes a loud harsh sound.

bray in American English 1
the loud, harsh cry of a donkey, or a sound like this
to make the loud, harsh cry of a donkey, or a sound, esp. a laugh, like this
to utter loudly and harshly
intransitive verb: to utter a loud and harsh cry, as a donkey
noun: the loud, harsh cry of a donkey
transitive verb: to utter with a loud, harsh sound, like a donkey

bray in American English 2
to crush or pound into a powder, as in a mortar
transitive verb: to pound or crush fine, as in a mortar

bray in British English 1
noun: the loud harsh sound uttered by a donkey
verb: (of a donkey) to utter its characteristic loud harsh sound; heehaw

bray in British English 2
verb: to distribute (ink) over printing type or plates