n. A nacreous concretion, or separate mass of nacre, of hard, smooth, lustrous texture, and a rounded, oval, pear-shaped, or irregular figure, secreted within the shells of various bivalve mollusks as a result of the irritation caused by the presence of some foreign body, as a grain of sand, within the mantle-lobes.n. Anything very valuable; the choicest or best part; a jewel; the finest of its kind.n. Something round and clear, as a drop of water or dew; any small granule or globule resembling a pearl; specifically, in pharmacy, a small pill or pellet containing or consisting of some medicinal substance.n. A white speck or film growing on the eye; cataract.n. Mother-of-pearl; nacre: as, a pearl button.n. A size of printing-type, about 15 lines to the inch, intermediate between the larger size agate and the smaller size diamond: it is equal to 5 points, and is so distinguished in the new system of sizes.n. This line is printed in pearl.n. In heraldry: A small ball argent, not only as a bearing but as part of a coronet.n. The color white.n. One of the bony tubercles which form a rough circle round the base of a deer's antler, called collectively the bur.n. In entomology, a name of many pyralid moths; any pearl-moth.n. A fish, the prill or brill: perhaps so called from the light spots, otherwise probably a transposed form of prill.n. Eccles., a name sometimes given to a particle of the consecrated wafer: still current in the Oriental Church.n. A name given by gilders and manufacturers of jewelry to granules of metal produced by melting it to extreme fluidity, and then pouring it into cold water.n. In lace- and ribbon-making, one of the loops which form the outer edge. Also purl.n. In decorative art. See purl.To adorn, set, or stud with pearls.To make into a form, or to cause to assume an appearance, resembling that of pearls: as, to pearl barley (by rubbing off the pulp and grinding the berries to a rounded shape); to pearl comfits (by causing melted sugar to harden around the kernels, thus forming small rounded pellets).To resemble pearls.To take a rounded form, as a drop of liquid: as, quicksilver pearls when dropped in small quantities.To assume a resemblance to pearls, or the shape of pearls, as barley or comfits.n. In ship-rigging, one of the bull's-eye rollers strung on the round iron band which spans the forward part of the gaff on fore-and-aft vessels, and which assist in the smooth hoisting of the spar, as well as confining it to the mast.