1. the action of forming into bunches or clusters
2. the tendency of things to gather together in groups

1. present participle of bunch; gathering or clustering together

Examples

• The runners were bunching together at the start of the race.
• She noticed the fabric bunching at the waist of her dress.
• The bunching of students near the cafeteria caused congestion.
• Traffic bunching occurred after the accident.
• The flowers were bunching naturally in the garden.
• Bunching of data points made the pattern more visible.
• He was bunching the papers together before filing them.