pin - definition and synonyms

 
 
noun [countable] 

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/pɪn/
singularpin
pluralpins
  1. 2
    mainly American a piece of jewellery that you wear on your clothes. The British word is brooch.
     Synonyms and related words
    1. a.
      a thin pointed piece of metal worn on your clothes as jewellery or worn to hold something in place

      His tie was held in place with a small diamond pin.

  2. 3
    a thin piece of metal or wood, used especially to hold things together
    1. b.
      the metal part that a soldier pulls out of a hand grenade before throwing it
    2. c.
      a thin piece of metal that a doctor puts through a broken bone to support it
  3. 4
    one of the tall objects that you knock over in the game of ten-pin bowling
     Synonyms and related words
  4. 5

    pins

    [plural] British informal old-fashioned someone’s legs

    She’s still a bit shaky on her pins.