Definition of collet

• - An inferior church servant. [Obs.] See Acolyte.
• n. - A small collar or neckband.
• n. - A small metal ring; a small collar fastened on an arbor; as, the collet on the balance arbor of a watch; a small socket on a stem, for holding a drill.
• n. - The part of a ring containing the bezel in which the stone is set.
• n. - The flat table at the base of a brilliant. See Illust. of Brilliant.