button

US /ˈbʌt̬.ən/
UK /ˈbʌt̬.ən/
"button" picture
1.

a small knob or disc sewn onto a garment, serving as a fastener by passing through a buttonhole

:
•
She sewed a new button on her coat.
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This shirt has too many buttons.
:
fastenerclaspstud
2.

a small, usually round, control that you push to operate a device or machine

:
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Press the red button to start the machine.
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The remote control has many small buttons.
:
switchkeycontrol
1.

fasten (a garment) with buttons

:
•
Please button up your coat, it's cold outside.
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He quickly buttoned his shirt before leaving.
:
fastenclosesecure
2.

press a button on a device or machine

:
•
Just button the remote to change the channel.
•
He buttoned the elevator to the tenth floor.
:
presspushactivate
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call buttonbelly buttonmute buttonhot buttonbutton mushroombutton-throughbright as a button