noun
unanimous decision; decided by consensus
A yojijukugo used in formal or political contexts when a group reaches a decision with full agreement. Often seen in meeting minutes or news reports.
その議案は衆議一決で可決された。
The bill was passed by unanimous decision.
委員会は衆議一決をもって新方針を承認した。
The committee approved the new policy by consensus.
A yojijukugo composed of 衆 (many people), 議 (deliberation), 一 (one), and 決 (decide), literally meaning 'many people deliberate and decide as one'.