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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.

Etymology

Origin of hash key

First recorded in 1970–75

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.