timeshare Syllabification: (time·share)Pronunciation: /ˈtīmˌSHe(ə)r/Translate timeshare | into French | into Italian | into Spanish Definition of timeshare noun the arrangement whereby several joint owners have the right to use a property as a vacation home under a time-sharing agreement:a growing interest in timeshare a property owned under a timesharing agreement. timeshare in other Oxford dictionaries Definition of timeshare in the British & World English dictionary