Dictionary

roughage

noun rough·age \ˈrə-fij\

: plant material that cannot be digested but that helps you to digest other food

Full Definition of ROUGHAGE

:  fiber 1d; also :  food containing much indigestible material acting as fiber

First Known Use of ROUGHAGE

1864

roughage

noun rough·age \ˈrəf-ij\   (Medical Dictionary)

Medical Definition of ROUGHAGE

:  fiber 2; also :  food (as bran) containing much indigestible material acting as fiber

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