n. The fruit of forest-trees (beech, oak, chestnut, pecan, etc.), especially if having fallen from the tree, used as fodder for pigs and other animals.v. To feed on forest seed or fruit.v. To vary fruit and seed production in multi-year cycles.n. A tall, slim post or tower, usually tapering upward, used to support, for examples, the sails on a ship, flags, floodlights, or communications equipment such as an aerial, usually supported by guy-wires.v. To supply and fit a mast to a ship