ride-sharing
noun
ride-shar·ing ˈrīd-ˌsher-iŋ 
variants or less commonly ridesharing or ride sharing
: the act or practice of sharing automobile trips
El Camino College is proposing a new $30-a-semester fee for student parking in lots on the campus. … Under the proposal, those who participate in ride-sharing would pay $20 a semester. 
Los Angeles Times
Los Angeles Times especially : an arrangement in which drivers of usually privately owned vehicles who wish to offer rides and passengers who wish to obtain rides use a network (such as one accessed through an app or a website) to coordinate the sharing of individual automobile trips for which the passengers pay a fare
The idea of ride sharing, which would leverage smartphones to save people money while offering a taxi-like service, is potentially more disruptive because it cuts out professional drivers altogether. The New York Times (online)
The New York Times (online) When Mims started working for Uber, it was initially so lucrative that he left his full-time truck driving job to focus on ridesharing. Irina Ivanova
Irina Ivanova Cab companies worldwide are also facing competitive pressure from ride-sharing firms like Uber and Lyft, where the apps connect riders with private citizens who drive them to their destinations. Janet Moore
compare car pool Janet Moore 
Word History
First Known Use
1942, in the meaning defined above
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