exarchy

Etymology
From.

Noun

 * 1) The jurisdiction of an exarch (any definition); an exarchate.
 * 2)  A vascular system in which development starts in the regions farthest from the axis and spreads inward.
 * 1)  A vascular system in which development starts in the regions farthest from the axis and spreads inward.
 * 1)  A vascular system in which development starts in the regions farthest from the axis and spreads inward.