| 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. |
[poosh-buht-n] 
| 1. | operated by or as if by push buttons: push-button tuning. |
| 2. | using complex, automated weapons, as long-range missiles, that require only simple initial steps to put them into action: push-button warfare. |
| push·but·ton (pŏŏsh'bŭt'n) n. also push button A small button that activates an electric circuit when pushed. adj. also push-but·ton (pŏŏsh'bŭt'n) Equipped with or operated by a pushbutton. |