Acupuncture /(ăk`ū̇*pŭṉk"tū̇r or ăk"ū̇*pŭṉk`chū̇r)/ Ac·u·punc·ture Acupuncture n. Pricking with a needle; a needle prick. (Med.) Acupuncture v. t. To treat with acupuncture.