(chiefly US, idiomatic) A cook or food server in a cheap restaurant, especially one who is discourteous or inattentive to customers.

(computing) The code or value generated by a hash function to represent some piece of data.

A hash table.

plural of hash map

The hash or number sign (#).

(idiomatic) To work through the details of something; especially to work through difficulties.

(US, slang) A cheap restaurant. / In the sport of rogaining, a central base camp providing hot meals and a place to sleep.

(computing) an algorithm that generates a numeric, or fixed-size character output from a variable-sized piece of text or other data; used in database table queries, cryptography and in error-checking

Alternative spelling of hash browns

plural of hash-brown