Meaning of PUSH BUTTON in English

1. a device designed to close or open an electric circuit when a button or knob is depressed, and to return to a normal position when it is released.

2. the button or knob depressed.

Also, pushbutton .

[ 1875-80, Amer. ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .