'Rehash' definitions:

Definition of 'rehash'

From: WordNet
noun
Old material that is slightly reworked and used again; "merely a dull rehash of his first novel"
verb
Present or use over, with no or few changes
verb
Go back over; "retrograde arguments" [syn: retrograde, rehash, hash over]

Definition of 'Rehash'

From: GCIDE
  • Rehash \Re*hash"\ (r?*h?sh"), v. t. To hash over again; to prepare or use again; as, to rehash old arguments. [1913 Webster]

Definition of 'Rehash'

From: GCIDE
  • Rehash \Re*hash"\, n. Something hashed over, or made up from old materials. [1913 Webster]