Anteroom

['æntɪruːm] or ['æntɪrum]

Definition

(noun.) a large entrance or reception room or area.

Typed by Bernadine--From WordNet

Definition

(n.) A room before, or forming an entrance to, another; a waiting room.

Typed by Bert

Definition

n. a room before another: a room leading into a principal apartment.

Editor: Nolan