A coat or jacket encircling the body.
1819. He had, when he escaped, a dark cloth roundabout coat and purple or brown pantaloons.Missouri Gazette, St. Louis, Feb. 17.
1821. [Ten Cents reward for a runaway black boy, who] had on a drab colored roundabout, wool hat, and grey colored pantaloons.Pennsylvania Intelligencer, Harrisburg, Jan. 5.
1839. I was dressed in a white roundabout, and trowsers of the same.Chemung (N.Y.) Democrat, Oct. 2.
1850. He wore a red shirt, and a roundabout, sometimes called a monkey-jacket.S. Judd, Richard Edney, p. 18.
a. 1853. There is no knowing but I may wear a roundabout.Dow, Jun., Patent Sermons, iii. 27.