ordinary seat; standard seat; economy class seat
Refers to a regular, non-premium seat on transportation such as trains, aircraft, or buses. Often contrasted with 指定席 (reserved seat) or グリーン席 (first-class seat).
Ordinary seats on the Shinkansen are divided into unreserved and reserved seats.
Even an ordinary seat on the plane is comfortable enough.
自由席 is an unreserved seat, a type of ordinary seat where you can sit anywhere available.
グリーン席 is a first-class seat, a premium option above the ordinary seat.
Compound of 普通 (ordinary) and 席 (seat).