1. (v. t.) To peen.

2. (v. t.) To enclose; 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.

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