Buggy

·adj Infested or abounding with bugs.

II. Buggy ·noun A light one horse two-wheeled vehicle.

III. Buggy ·noun A light, four-wheeled vehicle, usually with one seat, and with or without a calash top.

buggy
A one-horse chaise. ...

Dictionary of The Vulgar Tongue by Francis Grose
buggy
A light waggon for one horse. Lend me a hundred and buy yourself a buggy,--why don't you get a bugg...

Dictionary of American Words And Phrases by John Russell Bartlett.
Concord buggy
·add. ·- A kind of buggy having a body with low sides, and side springs. ...

Webster's Dictionary of the English Language