• Sometimes used as a way to describe the number sign
  • In computer jargon it is short for hash function, or used as a verb meaning "to apply a hash function", or to refer to data structures based on hash functions, especially associative arrays.
  • A slang term for Hashish, a form of Cannabis.
  • A food consisting of diced meat and potatoes.
  • An informal running race in which "hashers" chase a "rabbit" (lead runner) on an improvised course. This usage is evidenced in a number of (particularly British) athletics clubs such as the Hash House Harriers.

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