Definition of: ampulla

(am·pul′ə) noun plural am·pul·lae (-pul′ē)
1. Eccl. A flask for holding the consecrated oil used in confirmation, ordination, and extreme unction; specifically, that used in England at the consecration of kings.
2. The cruet used for the wine or water at mass.
3. An ancient Roman bottle or vase with a slender neck and flattened mouth, used to hold perfumes and oils and for carrying wine.
4. Anat. A small sac or dilated segment of a tube or gland. [ < L, dim. of amphora jar]
—am·pul′lar adjective