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Webster 1913 Edition
Interreign
In′ter-reignˊ
,Noun.
 [Cf. F. 
interrègne
.] An interregnum. 
[Obs.] 
Bacon.
 Webster 1828 Edition
Interreign
INTERREIGN
,Noun.
 Definition 2025
interreign
interreign
English
Noun
interreign (plural interreigns)
-  (obsolete) An interregnum.
- (Can we find and add a quotation of Bacon to this entry?)