D defs.my
Entry 3 senses Webster, 1913

Ampulla

· Am·pul·la · IPA /æmˈpʊlə/
01 n. A narrow-necked vessel having two handles and bellying out like a jug.
pl. Ampullæ
  1. 1.
    A narrow-necked vessel having two handles and bellying out like a jug.(Rom. Antiq.)
  2. 2.
    A cruet for the wine and water at Mass.(Eccl.)
  3. 3.
    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.(Biol.)