- an interval during which a recurring sequence of events occurs;
"the never-ending cycle of the seasons"
- a series of poems or songs on the same theme;
"Schubert's song cycles"
- a periodically repeated sequence of events;
"a cycle of reprisal and retaliation"
- the unit of frequency; one hertz has a periodic interval of one second
- a single complete execution of a periodically repeated phenomenon;
"a year constitutes a cycle of the seasons"
- a wheeled vehicle that has two wheels and is moved by foot pedals