n. In glass manufacturing, same as tank-furnace (which see, under furnace).n. The stomach.To fill up (with liquor); hence, to be drunk: usually with up.An oral abbreviation for hyperbolic tangent (which see), being an accommodated pronunciation of the written abbreviation tanh.n. A pool of deep water, natural or artificial.n. A large vessel or structure of wood or metal designed to hold water, oil, or other liquid, or a gas.n. In the East Indies, a storage-place for water; a reservoir. Such tanks are used especially for irrigation; but they also serve for storage of water for all purposes during the dry season. Some of them are of great extent, and form lakes, conforming to the natural shape of the ground and covering thousands of acres; others are of square or other regular shape, and form decorative features in pleasure-grounds.To throw, or cause to flow, into a tank.To put or plunge into a tank; bathe or steep in a tank.n. The wild parsnip, Peucedanum (Pastinaca) sativum.n. A variant of tang and tang.