hall

/al/
1.
nounmasculineSing

entrance hall

lobby

vestibule

Je t'attends dans le hall de l'immeuble.

I'm waiting for you in the building's lobby.

2.
nounmasculineSing

large concourse or main public area (e.g., in an airport, station, or exhibition center)

exhibition hall / main hall

Le train pour Marseille part du hall 2.

The train to Marseille departs from concourse 2.