button

/ˈbʌtən/
noun
  1. A small disc or knob sewn onto a garment to fasten it by passing through a buttonhole.
    • She fastened the top button of her blouse.
    • I need to sew a button back onto my shirt.
    • The coat has shiny gold buttons down the front.
  2. A small switch or control that activates a device or function when pressed.
    • The remote has a button for changing the volume.
    • Press the red button to start the machine.
    • He pushed the elevator button for the fifth floor.
  3. A small round object or symbol, especially one that is pressed to perform an action on a computer or phone screen.
    • Click the 'Submit' button to send your form.
    • She tapped the button on the screen to take a photo.
    • The app has a blue button that says 'Download'.
verb
  1. To fasten with a button or buttons.
    • Please button your jacket before going outside.
    • He carefully buttoned his shirt all the way up.
    • She couldn't button the top button because it was too tight.
Synonyms
What does "button" mean? | whatsthatwordmean | whatsthatwordmean