ampulliform,a.|æmˈpʌlɪfɔːm| [f. ampulla + -form.] Flask-shaped, bulging, dilated. 1870Hooker Stud. Flora 51 Siléne conica..calyx ½ in., ampulliform.1880Gunther Fishes 117 The ampulliform ends of the semi-circular canals.1881Baker in Jrnl. Lin. S. XVIII. 273 Capsule ampullæform, glabrous.