pin

Definitions

1. 1.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. With pins of adamant And chains they made all fast. Milton.
2. 2.Especially, a small, pointed and headed piece of brass or other wire (commonly tinned), largely used for fastening clothes, attaching papers, etc.
3. 3.Hence, a thing of small value; a trifle. He . . . did not care a pin for her. Spectator.
4. 4.That which resembles a pin in its form or use; as: (a) A peg in musical instruments, for increasing or relaxing the tension of the strings. (b) A linchpin. (c) A rolling-pin. (d) A clothespin. (e) (Mach.) A short shaft, sometimes forming a bolt, a part of which serves as a journal. See Illust. of Knuckle joint, under Knuckle. (f) (Joinery) The tenon of a dovetail joint.
5. 5.One of a row of pegs in the side of an ancient drinking cup to mark how much each man should drink.
6. 6.The bull's eye, or center, of a target; hence, the center. [Obs.] "The very pin of his heart cleft." Shak.
7. 7.Mood; humor. [Obs.] "In merry pin." Cowper.
8. 8.(Med.) Caligo. See Caligo. Shak.
9. 9.An ornament, as a brooch or badge, fastened to the clothing by a pin; as, a Masonic pin.
10. 10.The leg; as, to knock one off his pins. [Slang] Banking pin (Horol.), a pin against which a lever strikes, to limit its motion. -- Pin drill (Mech.), a drill with a central pin or projection to enter a hole, for enlarging the hole, or for sinking a recess for the head of a bolt, etc.; a counterbore. -- Pin grass. (Bot.) See Alfilaria. -- Pin hole, a small hole made by a pin; hence, any very small aperture or perforation. -- Pin lock, a lock having a cylindrical bolt; a lock in which pins, arranged by the key, are used instead of tumblers. -- Pin money, an allowance of money, as that made by a husband to his wife, for private and personal expenditure. -- Pin rail (Naut.), a rail, usually within the bulwarks, to hold belaying pins. Sometimes applied to the fife rail. Called also pin rack. -- Pin wheel. (a) A contrate wheel in which the cogs are cylindrical pins. (b) (Fireworks) A small coil which revolves on a common pin and makes a wheel of yellow or colored fire.
11. 11.To fasten with, or as with, a pin; to join; as, to pin a garment; to pin boards together. "Aa if she would pin her to her heart." Shak. To pin one's faith upon, to depend upon; to trust to.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Synonyms

Related questions

• What does "pin" mean?
• What is another word for "pin"?

Reverse-dictionary questions

Definition-first questions whose answer is pin.

• What is especially, a small, pointed and headed piece of brass or other wire (commonly tinned), largely used for fastening clothes, attaching papers, etc called?
• What is hence, a thing of small value; a trifle. He . . . did not care a pin for her. Spectator called?
• What is one of a row of pegs in the side of an ancient drinking cup to mark how much each man should drink called?
• What is the bull's eye, or center, of a target; hence, the center. [Obs.] "The very pin of his heart cleft." Shak called?
• What is mood; humor. [Obs.] "In merry pin." Cowper called?
• What is an ornament, as a brooch or badge, fastened to the clothing by a pin; as, a Masonic pin called?
• What is to fasten with, or as with, a pin; to join; as, to pin a garment; to pin boards together. "Aa if she would pin her to her heart." Shak. To pin one's faith upon, to depend upon; to trust to called?