tetrarchy

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tet·rar·chy

 (tĕt′rär′kē, tē′trär′-) also tet·rar·chate (-kāt′, -kĭt)
n. pl. tet·rar·chies also tet·rar·chates
1. The area ruled by a tetrarch.
2.
a. Joint rule by four governors.
b. The four governors so ruling.

tetrarchy

1. the Roman practice of dividing authority over provinces among four governors.
2. a system of rule by four authorities. — tetrarch, tetrarchate, n.tetrarchic, tetrarchical, adj.
See also: Government
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