Noun
A button used to request assistance.
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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.
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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, please hit your call button."
A button used to request some form of mechanical service. A button used to request a walk signal at a pedestrian crossing.
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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” until a pedestrian pushes the call button to activate the beacon.
A button used to request some form of mechanical service. A button used to summon an elevator.
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No more staring at closed elevator doors, repeatedly pressing a call button in frustration.