the acetabulum is a form of:

Acetabulum



noun
1.
(វេជ្ជសាស្ត្រ) ប្រហោងសន្លាក់ឆ្អឹងត្រគាក, ផ្នែកនៃឆ្អឹងត្រគាកដែលមានរាងដូចពែង
ENGLISH MEANING
noun
1.
A vinegar cup; socket of the hip bone; a measure of about one eighth of a pint, etc.
2.
The bony cup which receives the head of the thigh bone.
3.
The cavity in which the leg of an insect is inserted at its articulation with the body.
4.
A sucker of the sepia or cuttlefish and related animals.
5.
The large posterior sucker of the leeches.
6.
One of the lobes of the placenta in ruminating animals.