the world > animals > by noises > voice or sound made by animal > make sound [verb (intransitive)] > bray or whinny (3)
Of animals: formerly the cry of horses, oxen, deer, etc.; now chiefly used of the ass.
intransitive. = whinny, v.
intransitive. Of a horse: To neigh, esp. in a low or gentle way; also occasionally of other animals, as calves or certain birds, or of inanimate…