timeshare
noun [ C or U ]
PROPERTY (also time-share); (time share) uk/ˈtaɪmˌʃeər/ usa house or apartment that is shared by two or more owners, each with the right to live in it at different times of the year, or the legal arrangement for sharing the property:
They bought a timeshare in Tenerife for €20,000.
The alternative to buying outright is some form of timeshare.
a timeshare apartment/cottage/property
a timeshare company/business/salesman