Definition of "roughage" [roughage]

• See fiber. (noun)
• Any rough or coarse material. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Their twisted mountaintop tale of love and eating proper roughage is sure to peak your interest."
• "I noted in an update that "ballast" also means roughage -- a particularly apt definition for my initial, ironical use because roughage is a great ingredient for bullshit."
• "Fiber: Parts of plant foods that are indigestible or very slowly digested, with little effect on blood glucose and insulin levels; sometimes called roughage."