| Pronunciation: | | `asi'tabyulum
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 WordNet Dictionary |
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| | Definition: | |
[n] the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint |
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ACETABULUM is a 10 letter word that starts with A. |
| | Synonyms: | | cotyloid cavity |
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| | See Also: | | hipbone, innominate bone, socket |
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| Webster's 1913 Dictionary |
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| | Definition: | | \Ac`e*tab"u*lum\, n. [L., a little saucer for
vinegar, fr. acetum vinegar, fr. acere to be sour.]
1. (Rom. Antiq.) A vinegar cup; socket of the hip bone; a
measure of about one eighth of a pint, etc.
2. (Anat.)
(a) The bony cup which receives the head of the thigh
bone.
(b) The cavity in which the leg of an insect is inserted
at its articulation with the body.
(c) A sucker of the sepia or cuttlefish and related
animals.
(d) The large posterior sucker of the leeches.
(e) One of the lobes of the placenta in ruminating
animals.
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| Biology Dictionary |
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| | Definition: | | A cuplike socket in 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. |
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