1. the activity or sport of riding a bicycle
2. a series of events that repeat in a regular pattern

1. present participle of cycle: riding a bicycle
2. present participle of cycle: going through a series of changes that repeat

Examples

• She enjoys cycling through the park on weekends.
• Cycling is an excellent form of exercise.
• The cycling of the seasons brings different weather patterns.
• He was cycling to work when it started to rain.
• The machine is cycling through its normal operations.
• Competitive cycling requires years of training.
• The cycling of nutrients through the ecosystem is essential for life.