Definition of "traffic circle" []

• A circular one-way road at a junction of thoroughfares, facilitating an uninterrupted flow of traffic. Also called regionally rotary. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Jack West Jr. sped around the huge multilaned traffic circle that surrounded the Arc de Triomphe, whipping through traffic in a rented four-wheel-drive SUV."