Definitions of condominium
REAL PROPERTY a system of ownership (especially US) where a person owns an individual apartment in a building, together with an interest in the common areas of the building; a building containing several of these apartments
We're thinking of investing in a holiday condominium on the French Riviera.
joint government by two or more nations; a politically dependent state under such government
The Republic of the Sudan, from 1899 an Anglo-Egyptian condominium, achieved independence in 1956.