vomitory

/ˈvɑmɪtɔri/
noun
  1. An opening or passage through which people can exit, especially in a stadium or theater.
    • The ancient Roman amphitheater had several vomitories for crowd movement.
    • We entered the arena through a wide vomitory under the stands.
    • Fans streamed out through the vomitory after the concert ended.
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