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button - definition and synonyms

 
 
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noun [countable] button pronunciation in American English /ˈbʌt(ə)n/
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singularbutton
pluralbuttons
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  1. 1
    a small round object that is used for fastening clothes by pushing it through a hole
    He had undone the top button of his shirt.
    a blouse with small pearl buttons
  2. 2
    a small object that you press to make a machine start working or perform a particular action
    Just press this button to start the computer.
    Press the pause button.
    Click the left mouse button twice.
    1. b.
      computing a symbol on a computer screen that you can use to start programs
      Click on the Start button.
  3. 3
    a small round object that fastens onto your clothes with a pin and usually has a picture or writing on it
    He was wearing a button saying “Bush for President.”

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