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."