n. A taking or drawing in.n. That which is taken in. Specificallyn. Quantity taken in.n. A tract of land, as of a common, inclosed; an inclosure; part of a common field planted or sown when the other part lies fallow.n. Also intack.n. The point at which a narrowing or contraction begins, as in a tube or a stocking.n. In hydraulics, the point at which water is received into a pipe or channel: opposed to outlet.n. In mining: The airway going inbye, or toward the interior of the mine.n. The air moving in that direction.n. Land taken in from a waste place, or from a common or tidal river.