資料來源 : Webster's Revised Unabridged Dictionary (1913)

Interrex \In"ter*rex`\, n.; pl. E. {Interrexes}, L.
   {Interreges}. [L., fr. inter between + rex king.]
   An interregent, or a regent.

資料來源 : WordNet®

interreges
     See {interrex}