(a.) Having the shape of a wide-mouthed bell; campanulate.

bell-like bell-shaped bulblike bulbous campaniform campanular campanulate ellipsoid elliptic global globate globe-shaped globed globelike globoid globose globular hemispheric obovoid orb orbed orbic orbicular orbiculate orblike orby ovoid parabolic saucer-shaped sphere-shaped spherelike spheric spheriform spheroid