n. [ Equi- + poise. ] 1. Equality of weight or force; hence, equilibrium; a state in which the two ends or sides of a thing are balanced, and hence equal; state of being equally balanced; -- said of moral, political, or social interests or forces. [ 1913 Webster ]

The means of preserving the equipoise and the tranquillity of the commonwealth. Burke. [ 1913 Webster ]

Our little lives are kept in equipoise
By opposite attractions and desires. Longfellow. [ 1913 Webster ]

2. Counterpoise. [ 1913 Webster ]

The equipoise to the clergy being removed. Buckle.