心音 xīnyīn heart sound Origin Definitions Defs Strokes Stroke Words Sentences Sents xīnyīn heart sound 心 xīn noun heart the physical organ that pumps blood; refers to the chest area where the heart is located音 yīn noun sound sound; noise; tone; musical note; a person's voice or pitchxīnyīn inner thoughts 心 xīn noun feelings mood; emotion; state of mind音 yīn noun sound sound; noise; tone; musical note; a person's voice or pitch