Mansionette

Origin

mansion + -ette

Full definition of mansionette

Noun

1. (US) A large and somewhat luxurious house.
• 2007, March 12, Alessandra Stanley, For This Family of Pros, the Con Is Everything, Trading in their battered RV and Louisiana swamplands for a sumptuous pink mansionette with swimming pool, the Malloys pull off their ruse with skill and also childish naïveté.