What is "timeshares"

Usage examples of "timeshares".

Mathilda Janine prevailed on Tara to accompany her to most of the field athletic training, in return for equal timeshares of her company at the polo fields, so the two girls spent most of their time dashing from the vast Olympic complex across Berlin to the equestrian centre at high speed, the only rate of progress with which Tara seemed able to conduct her father's green Bentley.