2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Acetabulum \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.
From WordNet r 1.6 [wn]:
acetabulum
n : the cup-shaped hollow in the hipbone into which the head of
the femur fits to form a ball-and-socket joint [syn: {cotyloid
cavity}]
more about acetabulum
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Lake Atitlan, Guatemala
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