ampulla

n. pitcher used in Christian ceremonies (holds wine, water or oil); vessel that stands out like a jug with a narrow neck and two handles; enlargement of a duct or a canal that resembles a membranous sac (Anatomy)

Ampulla may refer to:A dilated segment in a tubular structure. It is used to describe several anatomical structures:ampulla of uterine tubeampulla of ductus deferenshepatopancreatic ampullarectal ampullaosseous ampullaeAmpullae are also bulb-like structures above the tube feet in echinoderms.The Ampulla is the hollow, gold, eagle-shaped vessel from which the anointing oil is poured from by the Archbishop of Canterbury when they anoint a new British sovereign at their coronation. It forms part of the British Crown Jewels.
See more at Wikipedia.org...

Noun
1. the dilated portion of a canal or duct especially of the semicircular canals of the ear
(hypernym) body part
(part-holonym) duct, epithelial duct, canal, channel
2. a flask that has two handles; used by Romans for wines or oils
(hypernym) flask

(n.)
The vase in which the holy oil for chrism, unction, or coronation is kept.
  

(n.)
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.
  

(n.)
A narrow-necked vessel having two handles and bellying out like a jug.
  

(n.)
A cruet for the wine and water at Mass.
  

noun
swelling of a canal or duct, shaped like a bottle
NOTE: plural is ampullae