Chiefly Medicine. A medicine or other substance that aids the retention of something within the body. Also: a substance or device that holds…

Surgery. Any of various instruments or devices used to hold an organ, tissue, or body part in position; a clamp; a retractor. Obsolete.

Surgery. An instrument or device for holding or stabilizing a part of the body during an operation; esp. a device with a fixed central pin used in…

Surgery. Any of numerous devices (now usually metal instruments of different shapes and sizes) used to hold open an incision or orifice, or to…

Something which is capable of being adjusted; a means by which something may be adjusted; a control. Cf. adjustment, n. 1c.

Surgery. A pad made of layers of gauze or other absorbent material, used to support or isolate an organ during a surgical operation, plug an…