pound key

[ pound kee ]

noun

1. a push button on a telephone or key on a computer keyboard that is marked with a pound sign (#).

Word History and Origins

Origin of pound key¹

First recorded in 1990–95

Example Sentences

Washingtonians with questions can call the Snohomish County Health District between 9 a.m. and 6 p.m. daily at 425-388-5088, or call the state health department at 800-525-0127 and press the pound key.

From Seattle Times

Once you enter your pin, you are prompted to state your name, and then to press the pound key.

From The New Yorker

Once you enter your pin, you are prompted to state your name, and then to press the pound key.

From The New Yorker

Then it’s called the pound key. 

From Forbes

Although the assault on Benghazi has been halted, government troops have lost little ground and continue to pound key towns like Misratah and Zintan.

From Time