Bomba in Italian, this is a molded ice cream dessert in a hemispheric shape, usually with one flat surface for stability on the plate when serving. Baked Alaska is a bombe that manages to be baked, frozen, and flambéed all at the same time. See baked alaska and desserts, flambéed.
Crème à la Moscovite was a Victorian ice served partially, rather than fully, frozen. Related to the chilled dessert bavarois, the Moscovite was set with isinglass or gelatin, giving it a slightly jellied texture, and molded into a bombe or cylinder shape.