院いん外がい団だん

noun

nonparliamentary party association

A political group that operates outside the legislature, often to influence policy or support a party without holding parliamentary seats.

• 戦せん前ぜんの日本にほんでは、院いん外がい団だんが政せい治じに大おおきな影えい響きょうを与あたえた。

  In prewar Japan, nonparliamentary party associations had a significant influence on politics.