multilateral

/M AH0 L T IH0 L AE1 T ER0 AH0 L/
noun
  1. 1

    A group with representatives from three or more parties or nations.

adjective
  1. 1

    Having many sides or points of view.

  2. 2

    Involving three or more parties or nations.

    โ€œa multilateral negotiationโ€

Source: https://en.wiktionary.org/wiki/multilateral