Dictonary and Thesaurus

Definition of Pin

(v. t.) To peen.
(v. t.) To inclose; to confine; to pen; to pound.
(n.) A piece of wood, metal, etc., generally cylindrical, used for fastening separate articles together, or as a support by which one article may be suspended from another; a peg; a bolt.
(n.) Especially, a small, pointed and headed piece of brass or other wire (commonly tinned), largely used for fastening clothes, attaching papers, etc.
(n.) Hence, a thing of small value; a trifle.
(n.) That which resembles a pin in its form or use
(n.) A peg in musical instruments, for increasing or relaxing the tension of the strings.
(n.) A linchpin.
(n.) A rolling-pin.
(n.) A clothespin.
(n.) A short shaft, sometimes forming a bolt, a part of which serves as a journal.
(n.) The tenon of a dovetail joint.
(n.) One of a row of pegs in the side of an ancient drinking cup to mark how much each man should drink.
(n.) The bull's eye, or center, of a target; hence, the center.
(n.) Mood; humor.
(n.) Caligo. See Caligo.
(n.) An ornament, as a brooch or badge, fastened to the clothing by a pin; as, a Masonic pin.
(n.) The leg; as, to knock one off his pins.
(n.) To fasten with, or as with, a pin; to join; as, to pin a garment; to pin boards together.