call button

Noun

1. A button used to request assistance.
   • Their feeling, anachronistic as the servants’ call button in their dining room, is that if you don’t have the money for something, you don’t buy it. - 2008 April 17, Joyce Wadler, “Don’t Hate Me Because I’m Solvent”, in...
   • I was asleep, the plane dark as we flew over the Atlantic on our way from Johannesburg to São Paulo, when a familiar page came over the intercom: "Ladies and gentlemen, sorry to wake you. If there is a doctor on board,...
2. A button used to request some form of mechanical service.
   • The Pedestrian Hybrid Beacon is designed to help pedestrians and bicyclists safely cross busy, multi-lane or high-speed streets. The beacon consists of two red lenses above a single yellow lens. The lenses remain “dark”...

   1. A button used to request a walk signal at a pedestrian crossing.

   2. A button used to summon an elevator.

      • No more staring at closed elevator doors, repeatedly pressing a call button in frustration. - 2000 June 11, Mark Wallace, “Tech 2010: #29 Wait No More; The Elevator You Never Have to Wait For”, in The New York Times,...