Ampulla

Part of speech: noun (n.)

1. A narrow-necked vessel having two handles and bellying out like a jug.

2. A cruet for the wine and water at Mass.

3. The vase in which the holy oil for chrism, unction, or coronation is kept. Shipley.

4. 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.