- 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 (noun)
Origin of pinMiddle English pyn from Old English pinn, akin to Middle High German pfinne, a nail, probably from Indo-European base an unverified form bend-, projecting point from source Middle Irish benn, peak
transitive verbpinned, pin′ning
- 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
- to get (someone) to make a decision, commitment, etc.
- to determine or confirm (a fact, details, etc.)
pin someone's ears back
pin something on someone