green car; first-class car (JR)
Refers specifically to the first-class carriage on Japan Railway (JR) trains, marked by a green stripe. Compare with 普通車 (standard car).
See also: 普通車
The Shinkansen green car has spacious seats and is comfortable.
An extra charge is required to ride in the green car.
From English 'green' + 車 (car), referring to the green stripe historically used to identify first-class carriages on Japanese railways.