roundabout
n.a circular place where several roads meet. You drive around a center island until you reach the road you want to take.
n.a circular intersection where traffic moves in one direction around a central island. Common in British English; often referred to as a 'traffic circle' in North American contexts.
“Take the second exit at the roundabout.”
“The new roundabout has significantly reduced the number of accidents at the busy intersection.”
“Navigating the multi-lane roundabout requires constant attention to lane markings and the signaling of other drivers to ensure a safe exit.”
Commonly used with the verb 'take' when giving directions ('take the third exit').
From round + about [from early 20th c.].
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.