interregnum [ˌɪntəˈrɛgnəm] (pl. interregnums或interregna -nə)
a period when normal government is suspended, especially between successive reigns or regimes (政府正常运转暂停,尤指政体或政权交替时的)中间期,过渡期 ■(the Interregnum)the period in English history from the execution of Charles I in 1649 to the Restoration of Charles II in 1660 空位期(英国历史1649年查理一世被处决至1660年查理二世复辟期间) . ■an interval between the periods of office of two incumbents in a parish (教区前后两任牧师交接时的) 过渡期
语源
late 16th cent. (denoting temporary rule between reigns or during suspension of normal government): from Latin, from inter- 'between' + regnum 'reign'