American English

Definition of backfill verb from the Oxford Advanced American Dictionary

 

backfill

 verb
verb
NAmE//ˈbækfɪl//
 
backfill somethingVerb Forms present simple I / you / we / they backfill
 
he / she / it backfills
 
past simple backfilled
 
-ing form backfilling
 
 
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to fill a hole with the material that has been dug out of it
See the Oxford Advanced Learner's Dictionary entry: backfill