- a peg of wood, metal, etc., used esp. for fastening or holding things together or as a support on which to hang things
- a little piece of stiff wire with a pointed end and a flattened or rounded head, used for fastening things together or holding them in place; straight pin
- something worthless or insignificant; trifle
- a pointed instrument for holding the hair, a hat, etc. in place
- clothespin, safety pin, cotter pin, etc.
- anything like a pin in form, use, etc.
- an ornament, badge, or emblem having a pin or clasp with which it is fastened to the clothing
- Informal the leg: usually used in pl.
- Bowling any of the bottle-shaped pieces of wood, or wood coated with plastic, at which the ball is rolled
- Golf a pole with a flag attached, placed in the hole of a green to mark its location
- Med. a metal rod used to hold a broken bone together
- Music any of the pegs for regulating the tension of the strings of a piano, harp, etc.
- any of various pegs or rods used to secure ropes
- Wrestling fall ()
ME pyn < OE pinn, akin to MHG pfinne, a nail, prob. < IE base *bend-, projecting point > MIr benn, peak
transitive verb pinned, pinning
- to fasten with or as with a pin
- to pierce with a pin
- to hold firmly in one place or position
- ☆ Slang to give one's fraternity pin to, as an informal token of betrothal