backfill
[
bak
-fil]
/ˈbækˌfɪl/
noun
1.
material used for refilling an excavation.
verb (used with object)
2.
to refill (an excavation).
Origin
1950-55;
back
2
+
fill
Examples from the web for
backfill
Compacting
backfill
will be measured by the cubic yard of
backfill
material placed.
backfill
must be capable of filling the spaces between tank ribs.
British Dictionary definitions for
backfill
backfill
/
ˈbækˌfɪl
/
verb
1.
(
transitive
) to refill an excavated trench, esp (in archaeology) at the end of an investigation
noun
2.
the soil used to do this
Word Origin and History for
backfill
n.
1901 (as
backfilling
), from
back
(adj.) +
fill
(n.). The verb was in use by 1930.