an organ for secreting something to be used in, or eliminated from, the body; as, the sebaceous glands of the skin; the salivary glands of the mouth.-an organ or part which resembles a secreting, or true, gland, as the ductless, lymphatic, pineal, and pituitary glands, the functions of which are very imperfectly known.-a special organ of plants, usually minute and globular, which often secretes some kind of resinous, gummy, or aromatic product.-any very small prominence.-the movable part of a stuffing box by which the packing is compressed; -- sometimes called a follower. see illust. of stuffing box, under stuffing.-the crosspiece of a bayonet clutch.