Definition of "rehash" in English

verb

1. (transitive) To hash (chop food into small pieces) again.

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.

noun

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.