Interregnum

Ellipsis of British Interregnum, the period of 1649–1660 when an unmonarchical state ruled Britain; the monarchy was then restored.

Proper noun

  1. Ellipsis of British Interregnum, the period of 1649–1660 when an unmonarchical state ruled Britain; the monarchy was then restored.
    • Meronyms: Commonwealth; Commonwealth of England; Protectorate; Commonwealth of England, Scotland and Ireland

Origin

Proprialization from interregnum.