A self-contained apartment (usually on two floors) in a larger house and with its own entrance from the outside(noun)
WordNet. Princeton University. 2010.
Use "maisonnette" in a sentence
"I suppose the ground allotted to the garden of your maisonnette is marked out, and probably will be enclosed and broken up before the foundation of your mansion is laid; therefore to encourage M. d'Arblay in the study of horticulture, I have the honour to send him Miller's 'Gardener's Dictionary' - an excellent book, at least for the rudiments of the art."
"This late in the evening, I could not yet make out the charming maisonnette* that was to be our rental for the next seven days."
"In the cave of an old maisonnette at the exterior of the town I now scripture these words with sharp charcoal derived from a dead fire in the back garden."