acetabulum

Learned borrowing from Latin acētābulum (“vinegar saucer, 1/48 congius”), from acētum (“vinegar”) + -bulum (“-bule: a vessel for”).

• (Received Pronunciation) IPA^(key): /ˌæs.ɪˈtæb.jʊl.əm/

• Audio (Southern England):

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• (General American) IPA^(key): /ˌæs.əˈtæb.jəl.əm/

acetabulum (plural acetabulums or acetabula)

1. (anatomy) The bony cup of the pelvis which receives the head of the femur.
2. (zootomy) The cavity in which the leg of an insect is inserted at its articulation with the body.
3. (zootomy) A sucker of the sepia or cuttlefish and related animals.
4. (zootomy) The large posterior sucker of the leeches.
5. (zootomy) One of the lobes of the placenta in ruminating animals.
6. A vinegar saucer, especially (historical) in ancient Roman contexts.
7. (historical) A Roman unit of liquid measure reckoned as the volume of 2½ Roman ounces of wine and equivalent to about 66 mL although differing slightly over time.

• (bony cup of the pelvis): cotyloid cavity
• (cup-shaped parts of various animals): cotyle

• (unit of measure): lingula (⅙ acetabulum), cyathus (⅔ acetabulum), quartarius (2 acetabula), hemina (4 acetabula), sextarius (8 acetabula), congius (48 acetabula) urna (192 acetabula), amphora (384 acetabula), culeus (7680 acetabula)

• acetabulus

From acētum (“vinegar”) +‎ -bulum (“a vessel for”).

• (Classical Latin) IPA^(key): /a.keːˈtaː.bu.lum/, [äkeːˈt̪äːbʊɫ̪ʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /a.t͡ʃeˈta.bu.lum/, [ät͡ʃeˈt̪äːbulum]

acētābulum n (genitive acētābulī); second declension

1. acetabulum, a saucer for vinegar
2. saucer, any similarly sized and shaped dish
3. (historical) acetabulum, a Roman unit of liquid measure equivalent to about 66 mL
4. (anatomy) acetabulum, the hipbone socket
5. (zootomy) acetabulum, the suckers or cavities in the arms of polypi
6. (botany) acetabulum, the cup of a flower

Second-declension noun (neuter).

• (anatomy and zootomy): cotyla

• (unit of measure): lingula (⅙ acetabulum), cyathus (⅔ acetabulum), quartarius (2 acetabula), hemina (4 acetabula), sextarius (8 acetabula), congius (48 acetabula) urna (192 acetabula), amphora (384 acetabula), culeus (7680 acetabula)

• “acetabulum”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• acetabulum 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)
• acetabulum in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• “acetabulum”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• “acetabulum”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin