Definition of "bunching" [bunching]

• Present participle of bunch. (verb)
• An arrangement of items in a bunch. (noun)
• The illegitimate supplying of laboratory animals that are actually kidnapped pets or illegally trapped strays. (noun)

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• "Service interruptions are unpredictable, but bus bunching is a function of street traffic and rider volume."
• "Wariness was measured by how closely individuals were spaced within the herds known as bunching while listening to the playbacks of contact calls broadcast by researchers."
• "We assume more than flowers or a "bunching" as David Cameron once put it."