Толковый словарь английского языка Oxford English Reference - bray

1. n. & v. --n. a the cry of a donkey. b a sound like this cry, e.g. that of a harshly-played brass instrument, a laugh, etc. --v. 1 intr. make a braying sound. 2 tr. utter harshly. Etymology: ME f. OF braire, perh. ult. f. Celt. 2. v.tr. archaic pound or crush to small pieces, esp. with a pestle and mortar. Etymology: ME f. AF braier, OF breier f. Gmc