"roundabout (plural roundabouts)

    (chiefly Britain, New Zealand, Canada, Australia and sometimes US) A road junction at which traffic streams circularly around a central island.
    (chiefly Britain) A horizontal wheel which rotates around a central axis when pushed and on which children ride, often found in parks as a children's play apparatus.
    A fairground carousel.
    A detour.
    A short, close-fitting coat or jacket worn by men or boys, especially in the 19th century.
    (archaic) A round dance."

            --https://en.wiktionary.org/wiki/roundabout