1) v. t. - To peen.
2) v. t. - To inclose; to confine; to pen; to pound.
3) 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.
4) n. - Especially, a small, pointed and headed piece of brass or other wire (commonly tinned), largely used for fastening clothes, attaching papers, etc.
5) n. - Hence, a thing of small value; a trifle.
6) n. - That which resembles a pin in its form or use
7) n. - A peg in musical instruments, for increasing or relaxing the tension of the strings.
8) n. - A linchpin.
9) n. - A rolling-pin.
10) n. - A clothespin.
11) n. - A short shaft, sometimes forming a bolt, a part of which serves as a journal.
12) n. - The tenon of a dovetail joint.
13) n. - One of a row of pegs in the side of an ancient drinking cup to mark how much each man should drink.
14) n. - The bull's eye, or center, of a target; hence, the center.
15) n. - Mood; humor.
16) n. - Caligo. See Caligo.
17) n. - An ornament, as a brooch or badge, fastened to the clothing by a pin; as, a Masonic pin.
18) n. - The leg; as, to knock one off his pins.
19) n. - To fasten with, or as with, a pin; to join; as, to pin a garment; to pin boards together.