hash key

American  

[hash kee] / ˈhæʃ ˌki /

noun

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

2. Computers. hash value.

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Etymology

Origin of hash key

First recorded in 1970–75

Example Sentences

“If you have an oil asset and you don’t plan to sell, press the hash key.”

From Economist

The Russian word for hash key, reshetka, also means “bars”, as in jail—where those who cross Rosneft’s head, Igor Sechin, tend to land.

From Economist

He might be playing catch-up though, as new UK Macs come with a hash key painted above the three key on the keyboard.

From BBC