godan verb (-u), transitive verb
contribute jointly; pool (money, ideas, etc.)
Used when multiple people each contribute something (money, opinions, effort) toward a shared purpose. Often implies pooling resources or ideas.
みんなでお金を出し合ってプレゼントを買った。
We all chipped in money and bought a present.
会議では、参加
At the meeting, the participants pooled their wisdom and came up with a solution.