expression, noun
JR ticket office; JR ticket counter
A designated service counter at major JR stations for purchasing reserved-seat tickets, rail passes, and travel-related services. The literal meaning is 'green window'.
See also: JR
新幹線の指定席はみどりの窓口で買えます。
You can buy reserved seats for the Shinkansen at the JR ticket office.
駅のみどりの窓口で時刻表をもらった。
I got a timetable at the JR ticket counter in the station.