Word: backfill
Part of speech: Verb
Syllables: back
fill
Definition: To refill a hole with the material dug out of it.
Morphemes:
Affix: back
Language: en
PoS: Verb
Meaning: To make a back for; to furnish with a back.
Affix: fill
Language: en
PoS: Noun
Meaning: The filling of a container or area.