n. One of the numerous fine filaments which more or less completely cover the skin of most mammals, and constitute the characteristic coat of this class of animals; any capillary outgrowth from the skin.n. The aggregate of the hairs which grow on any mammal; hairs collectively or in the mass; in the widest sense, a dermal coat or covering either of hair (specifically so called), wool, or fur; pelage; in common use, the natural capillary covering of a person's head: formerly sometimes in the plural.n. On animals, with the exception of most mammals, a filament; any fine capillary or hair-like outgrowth from the body or any part of it, but especially its surface; one of the objects which compose the hairiness, pubescence, or pilosity of an animal, or such objects collectively: used in both the singular and the plural: as, the hair or hairs of a caterpillar, that which clothes or those which clothe a lobster's gills, etc.n. In botany, an expansion of the epidermis, consisting of a single cell or of a row or number of cells.n. Haircloth; a garment of haircloth, especially a hair shirt used for penance.n. A cloth, mat, or other fabric of hair used for various purposes in the trades, as in the extraction of oils, manufacture of soap from cocoanut-oil, etc.n. Particular natural set or direction; course; order; drift; grain; character; quality.n. In mech., a locking spring or other safety contrivance in the lock of a rifle or pistol, which may be released by a very slight pressure on a hair-trigger.n. One of the polyps, as sertularians and others, which grow on oyster-shells. See graybeard, 3, and redbeard.Made of or stuffed with hair: as, hair jewelry; a hair mattress.To produce or grow hair.Another spelling of hare.To form fine fibers, as syrup, when tested by dripping.
