*hansom cab*

n., /mhw>. [ From the name of the inventor. ] A light, low, two-wheeled covered carriage with the driver's seat elevated behind, the reins being passed over the top. [ 1913 Webster ]

He hailed a cruising hansom . . . “ 'Tis the gondola of London, ” said Lothair. Beaconsfield. [ 1913 Webster ]