noun
ticket office; ticket window
Refers to a physical counter or window where tickets are sold, typically at a train station. Slightly formal or dated; 切符売り場 is more common in everyday speech.
駅の出札所で切符を買った。
I bought a ticket at the station ticket office.
Compound of 出札 (しゅっさつ, 'issuing tickets') + 所 (じょ, 'place'). The term is straightforward and transparent.