Ampulla

n.	1.	(Rom. Antiq.) A narrow-necked vessel having two handles and bellying out like a jug.
	2.	(Eccl.) A cruet for the wine and water at Mass.
	3.	(Biol.) 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.

Noun	1.	ampulla - the dilated portion of a canal or duct especially of the semicircular canals of the ear
	2.	ampulla - a flask that has two handles; used by Romans for wines or oils

body part, canal, channel, duct, epithelial duct