Where does this definition of back and fill come from?
This entry for back and fill is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is back and fill a noun, verb, or something else?
In this entry, back and fill is tagged as 2adv..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.