[ buhb-uh l-top ]
/ ˈbʌb əlˌtɒp /
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.
fitted with such a dome: a bubbletop limousine.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019