What is the meaning of Spinning?

The motion of something that spins.

The process of converting fibres into yarn or thread.

Indoor cycling on an exercise bicycle.

present participle and gerund of spin

spinning rod (long, flexible fishing rod with guide rings and a mounting bracket for a spinning reel)

spin fishing (angling technique where a spinnerbait, a type of hybrid fishing lure with at least one freely rotating blade, is used to entice the fish to bite)

spin (type of physical training involving group riding on exercise bicycles under the supervision of an instructor while listening to loud, rhythmic music)

spinning (indoor cycling)

Source: wiktionary.org