backfill

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verb back·fill \-ˌfil\

Definition of backfill

  1. transitive verb
  2. :  to refill (as an excavation) usually with excavated material

  3. intransitive verb
  4. :  to backfill an excavation

backfill

noun

1874

First Known Use of backfill

1874

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a dividing ridge between drainage areas

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