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