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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 of 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
  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: peg thole tholepin rowlock oarlock
  11. a club-shaped wooden object used in bowling; set up in triangular groups of ten as the target
       Synonyms: bowling pin

Verb

  1. to hold fast or prevent from moving; "The child was pinned under the fallen tree"
       Synonyms: trap immobilize immobilise
  2. attach or fasten with pins
       Antonyms: unpin
  3. pierce with a pin; "pin down the butterfly"
  4. immobilize a piece


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