Available Definitions:
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.