Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
roundabout [ˈraundəbaut] n (BRIT) (AUT) кольцева́я тра́нспортная развя́зка#; (:at fair) карусе́ль f
adj око́льным путём
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
Русский: