1. A narrow-necked vessel having two handles and bellying out like a jug.
2. A cruet for the wine and water at mass. The vase in which the holy oil for chrism, unction, or coronation is kept.
3. (Science: biology) 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.