A smaller room serving as an entryway into a larger room.
noun
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A smaller room leading into a larger or main room.
noun
3
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A small room used as an entryway or reception area to a larger room.
noun
3
0
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Origin of antechamber
French antichambreanti-before (from Latin ante-ante–) chambrechamber (from Old French chaumbrechamber)
From
American Heritage Dictionary of the English Language, 5th Edition
Antechamber Sentence Examples
Brady glanced at it, sweating despite the cool antechamber of their secret communications point.
An old powdered manservant who was sitting in the antechamber rose quietly and said in a whisper: "Please walk in."
He paused in the doorway to allow a familiar shudder to pass before stepping into the brightly lit antechamber.
On the morning of the day that the young couple were to arrive, Princess Mary entered the antechamber as usual at the time appointed for the morning greeting.