minimansion

plural minimansions

1. A small mansion; a mansionette.

   But since the storm, modular houses, which range from simple shotgun-style cottages to fancy minimansions, are starting to appear across the Gulf Coast, as public officials and private citizens search for ways to speed the slow pace of recovery and begin experimenting with new forms of shelter.

   2007 January 6, Leslie Eaton, “Katrina Victims Find a Solution: Modular House”, in New York Times