button
//ˈbʌt.ən//
Noun
buttonSingular
buttonsPlural
1
A small disc or knob sewn onto clothing that is pushed through a hole or loop to fasten it
She sewed a button onto her shirt.
2
A small device or control that is pressed to operate a machine or electronic device
Press the button to turn on the computer.
3
A badge or pin with a design or message worn on clothing
She wore a button with her favorite band's logo.
Verb
1
To fasten or close something with buttons
She buttoned her coat before going outside.
2
To press a button on a device or machine
Button the remote to turn on the TV.