Толковый словарь английского языка Oxford English Reference - cycle

n. & v. --n. 1 a a recurrent round or period (of events, phenomena, etc.). b the time needed for one such round or period. 2 a Physics etc. a recurrent series of operations or states. b Electr. = HERTZ. 3 a series of songs, poems, etc., usu. on a single theme. 4 a bicycle, tricycle, or similar machine. --v.intr. 1 ride a bicycle etc. 2 move in cycles. Phrases and idioms cycle-track (or -way) a path or road for bicycles. Etymology: ME f. OF, or f. LL cyclus f. Gk kuklos circle