red button — English Dictionary

Noun

1. A clerk employed in the settling room of the stock exchange.

   Usage

   • UK usage
   • Historical

   Examples

   More examples (1)

   Unauthorized clerks or Blue Buttons can make enquiries in the House and ask for prices but may not enter into any contract, while Red Buttons are clerks entitled to work in the Settling or checking Room.

   The third and junior category, the Settling Room clerks wear a red badge and are known as "red buttons."