red button
Noun
Meaning
red button (plural red buttons)
(UK, finance, historical) A clerk employed in the settling room of the stock exchange.
Coordinate term: blue button
Examples
BBC Bitesize website will be expanded to cater for the new offerings, while special programmes will also be broadcast on BBC iPlayer and BBC Red Button.
The petition demands an immediate pause on the withdrawal of the BBC Red Button Teletext service which is due to be phased out from 30 January and immediate clarification and public scrutiny on how the BBC came to the decision to switch it off.