1. Of or being a small business that is typically owned and run by members of a family: a mom-and-pop grocery store.
2. Resembling or evocative of the small-scale, homelike, or informal atmosphere of such a business: "toasted the advantages of mom-and-pop journalism" (Newsweek).

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.