hash

• enPR: hăsh, IPA^(key): /ˈhæʃ/

• Audio (Southern England)

  (file)

• Rhymes: -æʃ

From French hacher (“to chop”), from Old French hache (“axe”).

hash (plural hashes)

1. Food, especially meat and potatoes, chopped and mixed together.
   

   corn-beef hash
   • 1633, Samuel Pepys, Diary:

     I had for them, after oysters, at first course, a hash of rabbits, a lamb, and a rare chine of beef.

2. A confused mess.
   • 1847, Charlotte Yonge, Scenes and Characters:

     Oh! no, not Naylor's--the girls have made a hash there, as they do everything else; but we will settle her before they come out again.

3. (typography) The # symbol (octothorpe, pound).

   Synonyms: crunch, hash mark, hash sign, hashtag, number sign, octothorn, octothorpe, pound, pound sign, square

4. (computing) The result generated by a hash function.

   Synonym: checksum

5. (computing, cryptocurrencies) One guess made by a mining computer in the effort of finding the correct answer which releases the next unit of cryptocurrency; see also hashrate.
6. A new mixture of old material; a second preparation or exhibition; a rehashing.
   • October 28, 1752, Horace Walpole, letter to Sir Horace Mann

     I cannot bear elections, and still less the hash of them over again in a first session.

7. A hash run.
   • 1987, Susan Scott-Stevens, Foreign Consultants and Counterparts, page 81:

     Most hashes are planned as family affairs, with a shorter "puppy" trail laid for the children.

8. (Scotland) A stupid fellow.

hash (third-person singular simple present hashes, present participle hashing, simple past and past participle hashed)

1. (transitive) To chop into small pieces, to make into a hash.
   • 1749, Henry Fielding, The History of Tom Jones, a Foundling:

     In like manner, we shall represent human nature at first to the keen appetite of our reader, in that more plain and simple manner in which it is found in the country, and shall hereafter hash and ragoo it with all the high French and Italian seasoning of affectation and vice which courts and cities afford.

   • 1942 July 1, The Newcastle and Maitland Catholic Sentinel, Newcastle, NSW, page 224, column 2:

     I never did care for Sunday joint that was served up cold on Monday, hashed on Tuesday, rissoled on Wednesday, and re-hashed on Thursday[.]

2. To make a quick, rough version. (Can we add an example for this sense?)

   We need to quickly hash up some plans.

3. (computing, transitive) To transform according to a hash function.
4. (transitive, colloquial) To make a mess of (something); to ruin.
   • 1966, Rex Stout, Death of a Doxy:

     [Julie Jacquette]: "All right, you've hashed it. I knew damn well you should have stayed in the other room. Now he knows he'll have to kill you too."

• hash out
• rehash

Clipping of hashish.

hash (uncountable)

1. (slang) Hashish, a drug derived from the cannabis plant.

• “hash”, in OneLook Dictionary Search.
• “hash”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.

• Shah, ahhs, hahs, shah, shāh

Borrowed from English hash, short for hashish, from Arabic حَشِيش (ḥašīš, “hay, dried herb”). First attested in 1966.

• IPA^(key): /hasj/, [haɕ]

hash c (singular definite hashen, not used in plural form)

1. hash, hashish Not used anymore to denote dried herbs.
2. hash a drug derived from the cannabis plant.

• hashryger

hash m (plural hashes)

1. (computing) hash (key generated by a hash function)