Definition of Acetabulum

1. Noun. The cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint.

Exact synonyms: Cotyloid Cavity
Group relationships: Hipbone, Innominate Bone
Generic synonyms: Socket
Derivative terms: Acetabular

Definition of Acetabulum

1. n. A vinegar cup; socket of the hip bone; a measure of about one eighth of a pint, etc.

Definition of Acetabulum

1. Noun. (context: Roman Antiquities) a vinegar cup; ¹

2. Noun. (context: Roman Antiquities) the socket of the hipbone; ¹

3. Noun. (context: Roman Antiquities) a measure of about one eighth of a pint ¹

4. Noun. (anatomy) The bony cup which receives the head of the thigh bone. ¹

5. Noun. (anatomy) The cavity in which the leg of an insect is inserted at its articulation with the body. ¹

6. Noun. (anatomy) A sucker of the sepia or cuttlefish and related animals. ¹

7. Noun. (anatomy) The large posterior sucker of the leeches. ¹

8. Noun. (anatomy) One of the lobes of the placenta in ruminating animals. ¹

¹ Source:

Definition of Acetabulum

1. [n -LA or -LUMS]

Medical Definition of Acetabulum

1. The hollow, cuplike portion of the pelvis into which the head of the thigh bone (femur) fits. Also, in entomology, the leg socket on an insect's abdomen or thorax. (12 Mar 1998)

Acetabulum Pictures

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Lexicographical Neighbors of Acetabulum

acetabular artery
acetabular branch
acetabular fossa
acetabular labrum
acetabular lip
acetabular notch
acetabulum (current term)
acetaldehyde dehydrogenase
acetaldehyde oxidase

Literary usage of Acetabulum

Below you will find example usage of this term as found in modern and/or classical literature:

1. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1831)
"In the first case, a fracture was found to pass through the bottom of the right acetabulum, from below upwards and forwards, while a wedge-shaped piece of ..."

2. The American Naturalist by American Society of Naturalists, Essex Institute (1902)
"acetabulum small, about size of oral sucker ; cirrus sac large and extending back of acetabulum; yolk glands dendritic, extending in front of acetabulum ..."

3. Surgery, Gynecology & Obstetrics by The American College of Surgeons, Franklin H. Martin Memorial Foundation (1920)
"The glutei were cut from the trochanter, the acetabulum was cleared, ... Examination showed the acetabulum filled with soft tissue and fractured. ..."

4. The Journal of Anatomy and Physiology (1907)
"THE PRESENCE OF A FALSE acetabulum IN A SPECIES OF BANDICOOT. By Professor BRIDGE. WHILE recently examining the skeleton of an adult specimen of a common ..."

5. Fresh-water Biology by Henry Baldwin Ward, George Chandler Whipple (1918)
"92 (93) Genital pore anterior to and near acetabulum; cirrus sac very long extending far behind acetabulum to round ovary ..."

6. A Treatise on dislocations and fractures of the joints by Astley Cooper, Bransby Blake Cooper (1851)
"... still we hoped the bone was in the acetabulum; but, however, upon relaxing the extension the bone returned into its unnatural position. ..."

7. The Treatment of fractures: With Notes Upon a Few Common Dislocations by Charles Locke Scudder (1915)
"FRACTURE OF THE FLOOR OF THE acetabulum Following severe trauma to the outer surface of the hip from a fall from a height or from a direct blow on the great ..."

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