MU car
noun Railroads.
Definition for mu car (2 of 2)
multiple-unit car
[ muhl-tuh-puh l-yoo-nit ]
/ ˈmʌl tə pəlˈyu nɪt /
noun
a self-propelled railroad car, generally used in commuting service, equipped so that a train of such cars can be operated from any one of them.
Also called
MU car.