1. Present or use over, with no or few changes 
2. Go back over
   - retrograde, hash over [N. Amer]

1. Old material that is slightly reworked and used again
   "merely a dull rehash of his first novel"

Derived forms: rehashes, rehashing, rehashed

Type of: material, recap, recapitulate, recycle, reprocess, reuse

Encyclopedia: Rehash

• time off
• time out of mind
• time period
• time plan
• time scale
• time series
• time sharing
• time sheet
• time signal
• time signature
• time slot
• time study
• time to come
• time trial
• time unit
• time value
• time warp
• time will tell
• time zone
• time-and-motion study
• time-ball
• time-consuming
• time-delay measuring instrument
• time-delay measuring system
• time-fuse