something hung up, or spread out, to intercept the view, and hide an object; a cover; a curtain; esp., a screen, usually of gauze, crape, or similar diaphnous material, to hide or protect the face.-a cover; disguise; a mask; a pretense.-the calyptra of mosses.-a membrane connecting the margin of the pileus of a mushroom with the stalk; -- called also velum.-a covering for a person or thing; as, a nun's veil; a paten veil; an altar veil.-same as velum, 3.-to throw a veil over; to cover with a veil.-fig.: to invest; to cover; to hide; to conceal.