ROCKAWAY n.
Formerly, a light, low, four-wheeled carriage, with standing top, open at the sides, but having waterproof curtains which could be let down when occasion required; now, a somewhat similar, but heavier, carriage, inclosed, except in front, and having a door at each side.
ROTARY a.
Turning, as a wheel on its axis; pertaining to, or resembling, the motion of a wheel on its axis; rotatory; as, rotary motion. Rotary engine, steam engine in which the continuous rotation of the shaft is produced by the direct action of the steam upon rotating devices which serve as pistons, instead of being derived fr…