1n. a light four-wheeled carriage, often having a collapsible top and drawn by a single horse.
1841  The clergymen were . . . paid by the home government eight hundred dollars each, yearly, for officiating once a week, if the weather would permit his reverence to ride in a cushioned buggy to church. . . .
1855  (1955)  We travelled in a buggy, the vehicle generally used in Canada, which although extremely light, successfully resists the terrible concussions arising from the wretched roads.
1958  [We were] hustled into a waiting buggy. . . .
2n. a similar vehicle drawn by two horses.
1848  I happened to be at Norwichville when the Hon. member arrived from Burford . . . in a two horse buggy.
1920  Not far behind the democrat came a light buggy drawn by a team of greys.