vestibulum

Unadapted borrowing from Latin vestibulum (“a forecourt, entrance court; an entrance”). Doublet of vestibule.

• (General American) IPA^(key): /vɛˈstɪb.jəl.əm/
• Rhymes: -ɪbjʊləm

vestibulum (plural vestibula)

1. (zootomy) A cavity into which, in certain bryozoans, the esophagus and anus open.
2. (anatomy) The vestibule of the ear.

• vestibular
• vestibulo-

• “vestibulum”, in Merriam-Webster Online Dictionary

From vestiō (“to dress, clothe, vest”) +‎ -bulum (“place, location”, nominal suffix), probably from the sense of "a place to dress."

• (Classical) IPA^(key): /u̯esˈti.bu.lum/, [u̯ɛs̠ˈt̪ɪbʊɫ̪ʊ̃ˑ]
• (Ecclesiastical) IPA^(key): /vesˈti.bu.lum/, [vesˈt̪iːbulum]

vestibulum n (genitive vestibulī); second declension

1. (literally) enclosed space between the entrance of a house and the street, forecourt, entrance court

   Coordinate term: ātrium

   1. (transferred sense) entrance (to anything)

   Synonyms: iānua, ingressus, līmen, initium, porta, ingressiō, foris

   Antonym: abitus

2. (figurative) beginning

   Synonyms: initium, prīmōrdium, prīncipium, līmen, orīgō, exordium

   Antonym: fīnis

   • Titus Livius, Ab Urbe Condita I, 45:

     in vestibulo templi Dianae

     In the vestibule of Diana's temple

Second-declension noun (neuter).

• “vestibulum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “vestibulum”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• vestibulum in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• vestibulum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette
• “vestibulum”, in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• “vestibulum”, in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin