main file is a noun meaning "(computer science) a computer file that is used as the authority in a given job and that is relatively permanent". It carries one recorded sense.
(computer science) a computer file that is used as the authority in a given job and that is relatively permanent
computer science
Definitions, synonyms and semantic relations for main file come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.