rough or coarse material. any coarse, rough food for livestock.
Origin of roughage
First recorded in 1880–85; rough
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for roughage
Historical Examples of roughage
Some roughage such as vegetables or hay should also be supplied.
The feed given them should consist of both grain and some form of roughage.
It is on this roughage or waste material that intestinal movement or peristalsis depends.
No provision is made for furnishing the fattening geese with green feed or roughage.
Roughage is supplied if not available otherwise and straw, hay or vegetables are utilized for this purpose.
British Dictionary definitions for roughage
the coarse indigestible constituents of food or fodder, which provide bulk to the diet and promote normal bowel functionSee also dietary fibre
any rough or coarse material
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for roughage
1883, "rough grass or weeds," from rough (adj.) + -age. Meaning "coarse, bulky food" first recorded 1927.
Online Etymology Dictionary, © 2010 Douglas Harper
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.