/
ˈtɛtrɑːk/
n.
(in the Roman Empire) the governor of one of four divisions of a country or province.
▸one of four joint rulers.
▸archaic a subordinate ruler.
Derivative
- tetrarchy n.
(pl. tetrarchies)
.
Etymology
OE, from late L. tetrarcha, from L. tetrarches, from Gk tetrarkhēs, from tetra- ‘four’ + arkhein ‘to rule’.
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