Definition of "Cycle" :

noun: a wheeled vehicle that has two wheels and is moved by foot pedals

noun: a single complete execution of a periodically repeated phenomenon

"A year constitutes a cycle of the seasons."

noun: a periodically repeated sequence of events

"A cycle of reprisal and retaliation."

noun: a series of poems or songs on the same theme

"Schubert's song cycles."

noun: the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz)

noun: an interval during which a recurring sequence of events occurs

"The never-ending cycle of the seasons."

verb: recur in repeating sequences

verb: ride a bicycle

verb: ride a motorcycle

verb: pass through a cycle

"This machine automatically cycles."

verb: cause to go through a recurring sequence

"Cycle the laundry in this washing program."