noun pl. ampullae -·pul′·lae (-ē)

1. a nearly round bottle with two handles, used by the ancient Greeks and Romans
2. Anat. a sac or dilated part of a tube or canal, as of a milk duct in a mammary gland

Etymology: ME ampulle < OE ampulla or OFr ampoule, both forms < L ampulla, dim. of ampora, for amphora, amphora