Definition of backfill Backfill
back•fill
We found 7 definitions of backfill from 1 different sources.
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What does backfill mean?
Wiktionary 
- backfill (Noun)
The material that has been used to refill an excavation. - backfill (Noun)
Reserve support personnel. - backfill (Noun)
That which backfills; a replacement. - backfill (Verb)
To refill a hole with the material dug out of it. - backfill (Verb)
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. - backfill (Verb)
To provide reserve support. - backfill (Verb)
To replenish or restock due to attrition or loss.
