co-reignn.
Etymology: co- prefix 5a.
society > authority > rule or government > joint rule > [noun] > a joint reign
1828 G. S. Faber III. vi. ix. 469 Neither can there be any literal or personal co-reign of the martyrs resuscitated.
This entry has not yet been fully updated (first published 1893; most recently modified version published online March 2018).