round·a·bout / ˈroundəˌbout/ • n. 1. British term for traffic circle.2. British term for merry-go-round.3. hist. a close-fitting, waist-length jacket worn by men and boys.• adj. not following a short direct route; circuitous: we need to take a roundabout route to throw off any pursuit. ∎ not saying what is meant clearly and directly; circumlocutory: in a roundabout way, he was fishing for information.