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.
The cavity in which the leg of an insect is inserted at its articulation with the body.
A sucker of the sepia or cuttlefish and related animals.
The large posterior sucker of the leeches.
One of the lobes of the placenta in ruminating animals.
© Webster 1913.