What is the definition of cycling?

Answer 1

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.

Answer 2

going round in a circular motion (like the wheels of a bike) or 'riding' a bike

or scientific processes ect which happen in the same pattern over and over again...like the water cycle!