What does "standing room" mean?

Space in a public area, e.g. on public transport or at a sports or entertainment venue, for people to stand

What is a synonym for "standing room"?

Common synonyms include: auditorium, balcony, box, dress circle, gallery, loge.

noun

noun ·Rare ·Advanced level

Noun

1
Space in a public area, e.g. on public transport or at a sports or entertainment venue, for people to stand uncountable
"The bus was packed, and all standing room was taken."
2
room for passengers or spectators to stand wordnet

"The bus was packed, and all standing room was taken."