rockaway
/ˈrɒkəweɪ/US. Now chiefly historical
noun
(A) A light four-wheeled carriage with a long fixed top and open sides, typically seating two or three people; (b) a heavy four-wheeled carriage with an open front, a fixed back, and a door on each side. More fully Rockaway carriage, Rockaway wagon.
Origin
Mid 19th century; earliest use found in Pennsylvania Inquirer & National Gazette. From the name of Rockaway, a town in New Jersey, where such carriages were introduced.