Definition of heptarchy in English:

heptarchy

noun

  • 1A country or region consisting of seven smaller, autonomous regions.

    1. 1.1Government by seven rulers.
      • ‘But if I know the circumstances or the people, I am of the opinion that this heptarchy cannot stand long.’

Origin

Late 16th century: from hepta- seven + Greek arkhia rule on the pattern of tetrarchy.

Pronunciation:

heptarchy

/ˈhepˌtärkē/