Antechamber

Definition:

• (n.) A chamber or apartment before the chief apartment and leading into it, in which persons wait for audience; an outer chamber. See Lobby.
• (n.) A space viewed as the outer chamber or the entrance to an interior part.

Compare antechamber with other words:

antechamber vs. antichamber

antechamber vs. veranda

antechamber vs. reception

antechamber vs. anteroom