Interrex definitions

intərreks
A person acting as ruler during an interregnum.
noun
7
0
(history) An official in Ancient Rome, who acted as single head of state during the interregnum between two consulates.
noun
0
0
(history) An equivalent regent from the death of a Polish king till the election and enthronement of his successor.
noun
0
0
(figuratively) A similar interim ruler, CEO etc.
noun
0
0

Origin of interrex

From Latin, inter- (“between”) + rex (“king”).