1. a small house or apartment, especially one that is part of a larger building
Usage: chiefly British
2. a two-story apartment with its own entrance

Examples

• They bought a charming maisonette in central London.
• The maisonette has two bedrooms upstairs and a living area downstairs.
• She rented a maisonette with a private garden.
• The converted Victorian house contains four maisonettes.
• Their maisonette overlooks the park.
• The maisonette comes with its own front door.