a characteristic high whinnying sound made by a horse 马嘶声
verb
[no obj.](of a horse) make such a sound; utter a neigh (马)嘶,嘶鸣 ■(of a person) make a similar sound (人)发马嘶般的声音 they neighed dutifully at jokes they did not understand. 对于他们听不懂的笑话他们也应付似的嘶声大笑。
语源
Old English hnǣgan (verb), of imitative origin; compare with Dutch dialect neijen