/ Dictionary / Index B bubbletop: Meaning and Definition of Find definitions for: bub•ble•top Pronunciation: (bub'ul-top"), [key] — n. a transparent dome, usually made of plastic or bulletproof glass, that serves as the roof or part of the roof of an automotive vehicle. a vehicle having such a dome: The old van was converted into a bubbletop. —adj. fitted with such a dome: a bubbletop limousine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bubbler bubble wrap Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language