Definition of sidecar | Bee Dictionary of English

Came rushing two policemen with a motorcycle and sidecar.
The hotel's replica 1930s BMW motorcycle and sidecar is one of its nicest innovations.
That won't happen with The Jesus Family Tomb by Simcha Jacobovici and Charles Pellegrino, a sidecar to Jacobovici's Cameron-produced Discovery Channel documentary.

Ride-share cars: illegal, and all over Seattle
The drivers and vehicles with Lyft, Sidecar and UBERx aren’t licensed with the city of Seattle. City leaders are weighing their fate; taxi and for-hire drivers are crying foul.
June 17, 2013 - Seattle Times
New Sidecar App Turns Strangers’ Cars Into Cabs
Sidecar, a new smartphone app, can help you find a ride when there’s no taxi or bus nearby – and can turn your own car into a cab.
June 13, 2013 - Wall Street Journal Blogs

Kent Conrad in CBS News
Conrad said the role played by reconciliation in health care reform "would be very limited. It would be on sidecar issues designed to improve what passed the Senate and what would have to pass the House for health care reform to move forward."
Hugh Laurie in Times Online
I'd like to ride a motorcycle across America, but not just any motorcycle, one with a sidecar,says Hugh Laurie.
Kyle Petty in USA Today
Petty, who sometimes took his kids to school in sidecars, says it's no big deal to use them - "the easiest way to put it is that you ride a motorcycle and you steer a sidecar" - and having company helps: "Otherwise, it gets a little lonely."

sidecar : Definition, Usages, News and More