Meaning : A road junction at which traffic streams circularly around a central island.
Example :
The accident blocked all traffic at the rotary.
Synonyms : circle, rotary, traffic circle
Meaning : A large, rotating machine with seats for children to ride or amusement.
Synonyms : carousel, carrousel, merry-go-round, whirligig
Meaning : Marked by obliqueness or indirection in speech or conduct.
Example :
The explanation was circuitous and puzzling.
A roundabout paragraph.
Hear in a roundabout way that her ex-husband was marrying her best friend.
Synonyms : circuitous
Meaning : Deviating from a straight course.
Example :
A scenic but devious route.
A long and circuitous journey by train and boat.
A roundabout route avoided rush-hour traffic.
Synonyms : circuitous, devious