Acupuncture is one of the main forms of treatment in traditional Chinese medicine. It involves the use of sharp, thin needles that are inserted in the body at very specific points. This process is believed to adjust and alter the body’s energy flow into healthier patterns and is used to treat a wide variety of illnesses and health conditions.
Merriam-Webster Online Dictionary
acupuncture (noun) an originally Chinese practice of inserting fine needles through the skin at specific points especially to cure disease or relieve pain (as in surgery)