push button

from The Century Dictionary.

• noun See button, 4 .

from the GNU version of the Collaborative International Dictionary of English.

• (Elec.) A simple device, resembling a button in form, so arranged that pushing it closes an electric circuit, as of an electric bell; -- called also button.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun an electrical switch operated by pressing