- material used for refilling an excavation.
- to refill (an excavation).
Origin of backfill
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for backfilling
These also were temporarily useless, because there had been no dredging in front of them, or backfilling in their rear.The Philippines Past and Present (Volume 2 of 2)
Dean Conant Worcester
- (tr) to refill an excavated trench, esp (in archaeology) at the end of an investigation
- the soil used to do this
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for backfilling
Online Etymology Dictionary, © 2010 Douglas Harper