Antechamber
(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.
Similar Words:
Antecedaneous Antecede Antecedence Antecedency Antecedent Antecedently Antecessor Antechamber Antechapel Antechoir