Definition from Wiktionary, the free dictionary
- To refill a hole with the material dug out of it.
- (archaeology) To refill an excavation unit to restore the former ground surface and or to preserve the unit and make it recognizable as having been excavated.
- We backfilled the cistern with pea gravel to discourage its use as a refuse container.
- (US) To provide reserve support.
- (US) To replenish or restock due to attrition or loss.
- The company backfilled Joe's position after he was terminated.