What is Roundabout ?
Roundabout is (noun) 1. a place where several roads meet, and traffic has to move in a circle When you get to the next roundabout, turn right. (NOTE: The US term is traffic circle.) 2. (in a children’s playground.) a heavy wheel which turns, and which children ride on The children all ran to get on the roundabout. A small child fell from the roundabout and hurt his leg badly. 3. (in a fairground.) a large mechanical amusement machine, which turns round and plays music, usually with horses to sit on which move up and down. Also called merry-go-round (NOTE: The US term is carousel.) (adj) not direct The taxi took a very roundabout route to get to Trafalgar Square. Synonym indirect
source: Easier English, Student Dictionary Upper Intermediate Level