overkingdom

noun

overkingdom

noun

Etymology From over- + kingdom.

1

A unit composed of several kingdoms and presided over by an overking; an empire.

The overkingdom of Airgialla comprising Armagh, Monaghan, parts of Louth, Fermanagh, and Tyrone, had ceased to be when the Book of Rights was compiled.1922, John Ryan, Ireland from A.D. 800 to A.D. 1600, Browne and Nolan, page 282:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.