English edit

Etymology edit

co- +‎ imperium

Noun edit

coimperium (plural coimperiums or coimperia)

  1. A political entity that is jointly ruled by two or more external nations.
    New Hebrides was a coimperium of the United Kingdom and France.
    • 1989, Yôrām Dinšṭein, Mala Tabory, International Law at a Time of Perplexity, page 65:
      Furthermore, the criterion for a coimperium being that sovereignty over a territory rests with at least two other States, and for a condominium that at least two other States administer the territory, it is obvious that []