1. the dilated portion of a canal or duct especially of the semicircular canals of the ear • Derivationally related forms: ampullary, ampullar • Hypernyms: body part • Part Holonyms: duct, epithelial duct, canal, channel 2. a flask that has two handles; used by Romans for wines or oils • Derivationally related forms: ampullary, ampullar • Hypernyms: flask
