- co-pilot
- second driver
Generated: This term refers specifically to a pilot who assists the main pilot in operating an aircraft. The co-pilot shares responsibilities for flying the aircraft and ensuring safe operations.
The co-pilot works together with the pilot on the plane.
Generated: This meaning refers to someone who shares driving responsibilities in a vehicle, typically during long trips. The second driver can take turns with the main driver to reduce fatigue.
During our long trip, my friend was our second driver.