1
- Brit. a road junction at which traffic moves in one direction round a central island to reach one of the roads converging on it〈英〉环行交叉, 环行交通枢纽。
2
- Brit. a large revolving device in a playground, for children to ride on〈英〉（游乐场里供儿童乘坐的）旋转装置。
2.1
- a merry-go-round旋转木马。
1
- not following a short direct route; circuitous绕道的：
we need to take a roundabout route to throw off any pursuit.
我们必须绕道而行甩掉追踪。
1.1
- not saying what is meant clearly and directly; circumlocutory（说话）绕圈子的, 不直接的, 不直截了当的：
in a roundabout way, he was fishing for information.
他绕着圈子探听消息。