From Longman Dictionary of Contemporary Englishbraybray /breɪ/ verb [intransitive] 1 CSOUNDif a donkey brays, it makes a loud sound2 LOUD/NOISYif someone brays, they laugh or talk in a loud, slightly annoying way —bray noun [countable]→ See Verb table
Examples from the Corpus
bray• They're a familiar sound - police, ambulance, fire engine; electronic donkeys braying.• Like a tortured donkey, the klaxon brayed its amplified signal.• The fisherman brayed laughter, pleased with his joke, and delighted to see the boy had composed himself.• The modulated, rhythmic braying of that mule fell upon his ears.• Licensed hawkers were circulating, braying the merits of spiced sausages containing only real animal protein - so they claimed.Origin bray (1200-1300) Old French braire “to cry”, from Vulgar Latin bragare 