呼啸 hūxiào to whistle Origin Definitions Defs Strokes Stroke Words Sentences Sents 呼 hū nounverb [sound of wind] (onomatopoeia) A whooshing or whistling sound, such as the sound of wind or blowing air啸 嘯 xiào nounverb to roar (of animals, birds, or nature) to howl, roar, screech, or make a shrill, rushing sound (like wind)