pin meaning and definition

PIN noun

Definition of pin (noun)

1. a piece of jewelry that is pinned onto the wearer's garment
2. when a wrestler's shoulders are forced to the mat
   • synonyms: fall
3. small markers inserted into a surface to mark scores or define locations etc.
   • synonyms: peg
4. a number you choose and use to gain access to various accounts
   • synonyms: personal identification number, PIN number
5. informal terms for the leg
   • "fever left him weak on his sticks"
   • synonyms: peg, stick
6. axis consisting of a short shaft that supports something that turns
   • synonyms: pivot
7. cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown
   • synonyms: pin tumbler
8. flagpole used to mark the position of the hole on a golf green
   • synonyms: flag
9. a small slender (often pointed) piece of wood or metal used to support or fasten or attach things
10. a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing
    • synonyms: oarlock, peg, rowlock, thole, tholepin
11. a club-shaped wooden object used in bowling; set up in triangular groups of ten as the target
    • synonyms: bowling pin

PIN verb

Definition of pin (verb)

1. to hold fast or prevent from moving
   • "The child was pinned under the fallen tree"
   • synonyms: immobilise, immobilize, trap
2. attach or fasten with pins or as if with pins
   • "pin the needle to the shirt". "pin the blame on the innocent man"
   • antonym: unpin
3. pierce with a pin
   • "pin down the butterfly"
4. immobilize a piece