roadster

English Thesaurus

1. a small lightweight carriage; drawn by a single horse (noun.artifact)

hypernym	:	carriage, equipage, rig,
definition	:	a vehicle with wheels drawn by one or more horses (noun.artifact)

2. an open automobile having a front seat and a rumble seat (noun.artifact)

hypernym	:	auto, automobile, car, machine, motorcar,
definition	:	a motor vehicle with four wheels; usually propelled by an internal combustion engine (noun.artifact)

part holonym	:	rumble seat,
definition	:	a folding outside seat in the back of some early cars (noun.artifact)