n. A wooden or metal peg or bolt used to fasten or hold a thing in place, fasten things together, or as a point of attachment or support.n. A peg or bolt serving to keep a wheel on its axle; a linch pin.n. A peg on the side of a boat, serving to keep the oar in place; a thole. Also called thole-pin, boat-pin.n. A peg of a stringed musical instrument. See peg, 1 .n. A peg used to stop a hole.n. In machinery, a short shaft, sometimes forming a bolt, a part of which serves as a journal.n. The axis of a sheave.n. In joinery, the projecting part of a dovetail, which fits into the socket or receiving part.n. That part of the stem of a key which enters the lock.n. A peg, nail, or stud serving to mark a position, step, or degree; hence, a notch; a step; a degree.n. Specificallyn. One of a row of pegs let into a drinking-vessel to regulate the quantity which each person was to drink; hence, a drinking-bout; joviality. See on a merry pin, below.n. A nail or stud (also called a pike) marking the center of a target; hence, the center; a central part.n. One of a number of pieces of wood, of more or less cylindrical form, which are placed upright at one end of a bowling-alley, to be bowled down by the player; a skittle; hence, in the plural form, a game played with such pins. Compare ninepins, tenpins.n. A cylindrical roller made of wood; a rolling-pin.n. A leg: as, to knock one off his pins.n. 6. A peak; pinnacle.n. A small piece of wire, generally brass and tinned, pointed at one end and with a rounded head at the other, used for fastening together pieces of cloth, paper, etc., and for other purposes.n. Hence A thing of very small value; a trifle; a very small amount.n. A straight, slender, and pointed bar with an ornamental head or attachment, used by women to secure laces, shawls, etc., or the hair, and by men to secure the cravat or scarf, or for mere ornament. Compare hairpin, safety-pin, scarf-pin, shawl-pin.n. A knot in timber.n. A noxious humor in a hawk's foot.n. One of the pins in a flask which fit into openings in the lugs of another flask, so that, after the pattern is drawn, the two parts can be replaced in their original position.n. One of the dowels by which the patterns are held together, when, for convenience in molding, they are made in two or more parts.To fasten or secure with a bolt or peg.To fasten with a pin or pins.To transfix with or as with a pin; hence, to seize and hold fast in the same spot or position.To nab; seize; steal.To swage by striking with the peen of a hammer, as in splaying an edge of an iron hoop to give it a flare corresponding to that of the cask.To clog the teeth of: as, to pin a file: said of particles which adhere so firmly to the teeth of a file that they have to be picked out with a piece of steel wire.To inclose; confine; pen or pound.To aim at or strike with a stone.n. A spot or web on the eye: usually in the phrase pin and (or) web.n. In archery, a place in a bowstaff where a lateral twig has been trimmed off. Such places are weak if the twig is out off flush.n. In ccram., a small three-sided rod of fire-clay inserted in the side of the saggar to support the ware (as a plate) while it is fired in the kiln.n. A tapered wooden pin having a split in the small end, in which a wedge is inserted to keep the pin from falling out.In chess, to attack (a piece) in such a fashion that it cannot be moved without leaving the king or queen in check.