noun · the literal tail of a horse

骏马甩动着马尾，驱赶着身边的苍蝇。

noun · slender fibers or botanical parts resembling the hair of a horse's tail

制作二胡弓弦需要用到优质的白马尾。

noun · a hairstyle where the hair is gathered and tied at the back of the head

她今天扎了一个利落的高马尾去上学。