noun
standing room
Refers to a space where one stands, especially in a vehicle or venue without seats. Often used in the phrase 立ち席のみ (standing room only).
このバスは立ち席のみです。
This bus is standing room only.
コンサート会場の立ち席エリアで見る。
Watch from the standing area at the concert venue.
立ち見 also means standing to watch (e.g., a performance), but 立ち席 emphasizes the physical space or ticket category for standing.
Compound of 立ち (tachi, 'standing') + 席 (seki, 'seat'), literally 'standing seat'.