From Longman Dictionary of Contemporary Englishmanilama‧nil‧a, manilla /məˈnɪlə/ noun [uncountable] TCMstrong brown paper used for making envelopes a large manila envelope
Examples from the Corpus
manila• She walked briskly, carrying a manila file in one hand and a bunch of keys in the other.• The something was an elderly manila envelope, secured with a rubber band.• Evenings she came home to a stack of manila envelopes with folded papers lettered in scarlet and black.ManilaManila a city and port, the capital of the PhilippinesOrigin manila (1600-1700) Manila 