1. (n.) An implement for pounding and breaking or braying substances in a mortar.

2. (n.) A constable's or bailiff's staff; -- so called from its shape.

3. (n.) The leg and leg bone of an animal, especially of a pig; as, a pestle of pork.

4. (v. t. & i.) To pound, pulverize, bray, or mix with a pestle, or as with a pestle; to use a pestle.