/bub"euhl top'/ , n.
1. a transparent dome, usually made of plastic or bulletproof glass, that serves as the roof or part of the roof of an automotive vehicle.
2. a vehicle having such a dome: The old van was converted into a bubbletop.
adj.
3. fitted with such a dome: a bubbletop limousine.
Also, bubble-top .
[ 1965-70; BUBBLE + TOP 1 ]