Definition of cycle:

• To revolve in a circle. The cycle of the moon, or golden number, or Metonic cycle a period of nineteen years, after which the new and full moons return on the same days of the month. The cycle of the sun, a period of twenty- eight years. Cycle of indiction, a period of fifteen years.
• To ride a bicycle or tricycle.
• recur in cycles
• Cycling.
• a shortened version of ` bicycle' or ` tricycle' or ` motorcycle'
• a single complete execution of a periodically repeated phenomenon; " a year constitutes a cycle of the seasons"
• a periodically repeated sequence of events; " a cycle of reprisal and retaliation"
• a series of poems or songs on the same theme; " schubert's song cycles"
• an interval during which a recurring sequence of events occurs; " the neverending cycle of the seasons"
• a wheeled vehicle that has two wheels and is moved by foot pedals
• recur in repeating sequences
• pass through a cycle; " This machine automatically cycles"
• cause to go through a recurring sequence; " cycle thge laundry in this washing program"
• An imaginary circle or orbit in the heavens; one of the celestial spheres.
• An interval of time in which a certain succession of events or phenomena is completed, and then returns again and again, uniformly and continually in the same order; a periodical space of time marked by the recurrence of something peculiar; as, the cycle of the seasons, or of the year.
• An age; a long period of time.
• An orderly list for a given time; a calendar.
• The circle of subjects connected with the exploits of the hero or heroes of some particular period which have served as a popular theme for poetry, as the legend of Arthur and the knights of the Round Table, and that of Charlemagne and his paladins.
• One entire round in a circle or a spire; as, a cycle or set of leaves.
• A bicycle or tricycle, or other light velocipede.
• To pass through a cycle of changes; to recur in cycles.
• To ride a bicycle, tricycle, or other form of cycle.
• A series of operations in which heat is imparted to ( or taken away from) a working substance which by its expansion gives up a part of its internal energy in the form of mechanical work ( or being compressed increases its internal energy) and is again brought back to its original state.
• A complete positive and negative wave of an alternating current; one period. The number of cycles ( per second) is a measure of the frequency of an alternating current.
• A period of time, or order of events, which repeats itself regularly; a revolution of a certain period of time; an imaginary circle in the heavens; the stories surrounding some famous event or hero; as, the Arthurian cycle; an age; a bicycle or tricycle.
• Cycler, cyclist.
• A recurrent series of events. A recurring period of time.
• A period of time in which events happen in a certain order, and which constantly repeats itself: an imaginary circle or orbit in the heavens.
• Recurring period of time; circle or orbit.
• A recurring period of time; a round of years or of ages; a vast period.
• A turn or circle; loop.
• A bicycle, tricycle, etc.
• The revolution of a certain period of time which finishes and begins again in a perpetual circle; a round of years in which the same course begins again; cycle of the moon, or golden number, a period of 19 years, at the end of which the new and full moons occur again on the same days of the month; cycle of the sun, a period of 28 years; cycle of indiction, a period of 15 years.
• The circulation of a fluid through a definite series of vessels.
• [ Greek] The circulation of a fluid through a definite series of vessels; recurrent series of phenomena, as life cycle, ovarian cycle, etc.
• Cycled.

Usage examples for cycle

1. The supernatural has lessened since the heroic cycle.  The High Deeds of Finn and other Bardic Romances of Ancient Ireland by T. W. Rolleston

2. Again and again movements of the crust have brought to an end one cycle- sometimes when only well under way, and sometimes when drawing toward its close- and have begun another.  The Elements of Geology by William Harmon Norton

3. I've got the motor- cycle outside.  Tom Swift and his Motor-cycle by Victor Appleton

4. How many times it repeated the cycle is not fully known.  The Book of the National Parks by Robert Sterling Yard