Am*pul"la, n.; pl. Ampullae (#). [L. ]
1. Rom. Antiq.
A narrow-necked vessel having two handles and bellying out like a jug.
2. Eccl. (a)
A cruet for the wine and water at Mass.
The vase in which the holy oil for chrism, unction, or coronation is kept.
Any membranous bag shaped like a leathern bottle, as the dilated end of a vessel or duct; especially the dilations of the semicircular canals of the ear.
© Webster 1913.