interregnum Meaning, Definition & Usage

  1. noun the time between two reigns, governments, etc.

WordNet

In`ter*reg"num noun
Etymology
L., fr. inter between + regnum dominion, reign. See Reign, and cf. Interreign.
Wordforms
plural Interregnums
Definitions
  1. The time during which a throne is vacant between the death or abdication of a sovereign and the accession of his successor.
  2. Any period during which, for any cause, the executive branch of a government is suspended or interrupted.

Webster 1913