Webster's Revised Unabridged Dictionary · 1913

Hansom

Hansom (han"sum) , noun

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

Also: Hansom cab