n. Anything that fastens something else; specifically, an appliance for securing in position a door, gate, window, drawer, lid, etc., when closed, by means of a key, or of some secret contrivance requiring manipulation by one to whom it is known; hence, any device that prevents movement.n. A forelock; a cotter or key.n. In firearms, a piece of mechanism which explodes the charge.n. A form of brake or drag for the wheels of a vehicle, used to prevent them from turning in descending steep hills; a lock-chain or skid-chain.n. The swerving to the right or left of the fore-carriage, deviating from the line of direction of the hind wheels and the trend of the carriages proper. It is called the haw or gee lock respectively, according as it is to the left or right of the driver.n. In plastering, the projection of the plaster, cement, etc., behind the laths, which serves to prevent it from scaling off.n. A place shut in or locked up; an inclosure; a lockup.n. A barrier to confine the water of a stream or canal; an inclosure in a canal, with gates at each end, used in raising or lowering boats as they pass from one level to another.n. A fastening together; a closing of one thing upon another; a state of being fixed or immovable; also, a grapple in wrestling; a hug.n. See dead-lock.To close; shut; now, specifically, to close and fasten by means of a lock and key: as, to lock a door or a trunk.To fasten so as to impede motion: as, to lock a wheel.To shut (up) or confine with or as if with a lock, or in an inclosed place; close or fasten (in): with up or in.To close or make fast; press closely together, as separate portions; fix steadfastly or immovably: as, the streams are locked by ice.To join or unite firmly, as by intertwining, interlinking, or infolding: as, to lock arms.To embrace closely; infold.To furnish with a lock.In fencing, to seize, as the sword-arm of an antagonist, by turning the left arm round it, after closing the passade, shell to shell, in order to disarm him.To shut out; prevent from gaining access (to).To enable to pass through a lock, as in a canal. See lock, n., 8.(b To confine; restrain or secure by locking or fastening in: as, to lock up a prisoner; to lock up silver.To secure or place in such a position as not to be available for use: as, his money was locked up in unprofitable enterprises.To become fast; admit of being fastened or locked: as, the door will not lock.To unite closely by mutual insertion of parts.n. A tuft of hair or wool; anything resembling such a tuft; a tress; used absolutely in the plural, hair collectively.n. A tuft or small quantity, as of hay or some similar substance; a small quantity of anything; a handful; specifically, in Scots law, the perquisite of the servant in a mill, consisting of a quantity of meal, regulated by the custom of the mill.n. A love-lock.n. A receiver of stolen goods; also, the house in which such a ‘fence’ receives stolen goods.n. A transposition or duplication of pages on the printed Sheet of a book.