A pearl. Also margarite pearl, pearl margarite. Now archaic.

A bead, esp. one of the beads of a rosary (so French grain); also, a pearl. Obsolete.

A hard, smooth, usually round, iridescent mass, typically white or bluish grey, formed of layers of calcium carbonate deposited around a foreign…

A pearl. Frequently in margery pearl, margery stone.

A small, smooth, rounded stone, worn by the action of water, ice, or sand.

A pearl. Cf. union, n.1 Obsolete.

In full mabe pearl. A type of large, usually hemispherical cultured pearl, grown on the inside shell of an oyster rather than within the body…