v. To become better; improve in condition, especially by feeding.v. To feed on; to revel in.v. To thrive by feeding; grow fat; feed oneself gluttonously.v. To thrive, prosper, or live in luxury, especially at the expense of others; fare sumptuously.v. To gratify a morbid appetite or craving; gloat.v. To improve by feeding; fatten; make fat or cause to thrive due to plenteous feeding.n. A thin strip of wood used in construction to hold members of a structure together or to provide a fixing point.n. A long strip of wood, metal, fibreglass etc used for various purposes aboard ship, especially one inserted in a pocket sewn on the sail in order to keep the sail flat.n. In stagecraft, a long pipe, usually metal, affixed to the ceiling or fly system in a theater.n. The movable bar of a loom, which strikes home or closes the threads of a woof.v. To furnish with battens.v. To fasten or secure a hatch etc using battens.