pentarchy

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pen·tar·chy

P0172500 (pĕn′tär′kē)n. pl. pen·tar·chies 1. Government by five rulers.2. A body of five joint rulers.3. An association or federation of five governments, each ruled by a different leader.
[Greek pentarkhiā : penta-, penta- + -arkhiā, -archy.]
pen·tar′chi·cal (pĕn-tär′kĭ-kəl) adj.

pentarchy

(ˈpɛntɑːkɪ) n, pl -chies1. (Government, Politics & Diplomacy) government by five rulers2. (Government, Politics & Diplomacy) a ruling body of five3. (Government, Politics & Diplomacy) a union or association of five kingdoms, provinces, etc, each under its own ruler4. (Government, Politics & Diplomacy) a country ruled by a body of five penˈtarchical adj

pen•tar•chy

(ˈpɛn tɑr ki)

n., pl. -chies. 1. a government or governing body consisting of five persons. 2. a union of five states or kingdoms, each under its own ruler. [1580–90; < Greek pentarchía. See pent-, -archy] pen′tarch, n. pen•tar′chi•cal, adj.

Pentarchy

 government by a group of five persons, 1587.