rehash

re- +‎ hash

• (verb) IPA^(key): /ɹiːˈhæʃ/

• Audio (Southern England)

  (file)

• (noun) IPA^(key): /ˈɹiːˌhæʃ/

• Audio (US)

  (file)

• Rhymes: -æʃ

rehash (third-person singular simple present rehashes, present participle rehashing, simple past and past participle rehashed)

1. (transitive) To hash (chop food into small pieces) again.
   • 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. (transitive) To repeat with minor variation.

   Today's parliamentary session only rehashed last week's arguments.

   The CEO of the company only rehashed a speech for the news conference.

   The general rehashed plans for the war.

3. (transitive) To analyze a prior contentious or embarrassing event.

   Let's not rehash what we did last night.

4. (transitive, computing) To recompute the structure of a hash table, taking into account any newly added items.

rehash (plural rehashes)

1. Something reworked, or made up from old materials.

   He wrote a bad rehash of an earlier essay.

2. (computing) A recomputation of the structure of a hash table, taking into account any newly added items.

• harshe, hasher