vestibule
1. [ noun ] (architecture) a large entrance or reception room or area
Synonyms: hall lobby foyer entrance_hall antechamber anteroom
Related terms: room narthex building
2. [ noun ] (anatomy,zoology) any of various bodily cavities leading to another cavity (as of the ear or vagina)
Related terms: cavity vestibule_of_the_vagina vestibule_of_the_ear
Similar spelling:   vestibular
  vegetive