n. pl. in·ter·reg·nums or in·ter·reg·na (-nə) 1. The interval of time between the end of a sovereign's reign and the accession of a successor. 2. A period of temporary suspension of the usual functions of government or control. 3. A gap in continuity. [Latin : inter-, inter- + rēgnum, reign; see REIGN.] in′ter·regnal (-nəl) adj. |
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