毫针 Traditional form: 毫針 Pinyin (reading): háozhēn Definitions: acupuncture needle Characters: 毫 - fine hair; measure of length; one-thousandth 针 - needle, pin, tack; acupuncture Traditional characters: 毫 - fine hair; measure of length; one-thousandth 針 - needle, pin, tack; acupuncture