Antechamber

An′te-chamˊber

,

Noun.

[Cf. F.

antichambre

.]

1.

A chamber or apartment before the chief apartment and leading into it, in which persons wait for audience; an outer chamber. See

.

2.

A space viewed as the outer chamber or the entrance to an interior part.

The mouth, the

antechamber

to the digestive canal.

Todd & Bowman.

,

Noun.

[Ante, before, and chamber.]

A chamber or apartment before the chief apartment to which it leads, and in which persons wait for audience.

antechamber ‎(plural antechambers)

A small room used as an entryway or reception area to a larger room.
- 2005, J. K. Rowling, Harry Potter and the Half-Blood Prince, Arthur A. Levine Books (2005), 558,
  "This is merely the antechamber, the entrance hall," said Dumbledore after a moment or two.

small room

Russian: прихо́жая (ru) f ‎(prixóžaja)
Scottish Gaelic: mach-sheòmar m, roimh-sheòmar m, ro-sheòmar m, seòmar-aghaidh m, seòmar-toisich m
Silesian: antryj m
Spanish: antecámara (es) f, antesala (es) f
Swedish: förrum n