Definition of "mod" []

• An unconventionally modern style of fashionable dress originating in England in the 1960s. (noun)
• In or characteristic of this unconventionally modern style. (adjective)
• Fashionably up-to-date, especially in style, design, or dress. (adjective)
• Mathematics modulus (abbreviation)

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.

• "(releasing mod key) or cancels the switch (mod+ [escape])."
• "The lady inquired nasally of our old friend, "Is this hall mod-ern; what you call mod-ern?""
• "Eligible borrowers are put into three-month trial modifications, and if they make their payments the trial mod is supposed to become "permanent" for five years."