Roundabout

Roundabout \round-uh-BOUT\ or \ROUND-uh-bout\ , adjective;
1. Circuitous or indirect, as a road, journey, method, statement, or person
2. Of clothing: Cut circularly at the bottom; having no tails, train, or the like
noun;
1. A short, close-fitting coat or jacket worn by men or boys, especially in the 19th century
2. One of these bad boys:

This looks scary... (source)

This word as a noun or adjective comes from the adverbial usage of round about which dates to the early 1300's. The sense of "traffic circle" is first attested in 1927