noun
- an early automobile having an open body, a single seat for two or three persons, and a large trunk or a rumble seat.
- a horse for riding or driving on the road.
noun
- an open car, esp one seating only two
- a kind of bicycle
“open two-seat automobile,” 1908; earlier a light, horse-drawn carriage (1892); a horse for riding (1818); “a ship lying near the shore” (1744), from road (n.) + -ster.