Meanings
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noun
Any of a number of body cavities or channels, serving as or resembling an entrance to another bodily space.
The membrane of the vestibule in this animal is thrown into three folds. The margins of these folds, looking towards the vestibule, are approximated, and, following the law which is now known to regulate the formation of hollow tubes, doubtless unite and coalesce in the next higher species of fish.
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Thesaurus
Early 17th century, borrowed from French vestibule (“entrance court”), from Latin vestibulum (“forecourt, entrance court; entrance”), from vestiō (“to dress, clothe, vest”) + -bulum (“place, location”, nominal suffix). Doublet of vestibulum.