Webster's Revised Unabridged Dictionary · 1913

Poise

Poise , noun

[Old English pois, peis, Old French pois, peis, French poids, from Latin pensum a portion weighed out, pendere to weigh, weigh out. Compare Avoirdupois, Pendant, Poise, v.]

1.
Weight; gravity; that which causes a body to descend; heaviness.
Weights of an extraordinary poise. — Evelyn
2.
The weight, or mass of metal, used in weighing, to balance the substance weighed.
3.
The state of being balanced by equal weight or power; equipoise; balance; equilibrium; rest. — Bentley
4.
That which causes a balance; a counterweight.
Men of unbounded imagination often want the poise of judgment. — Dryden
5.
a dignified and self-confident manner; graceful composure and tact in handling difficult social situations.

Poise , transitive verb

[Old English poisen, peisen, Old French & French peser, to weigh, balance, Old French il peise, il poise, he weighs, French il pèse, from Latin pensare, v. intens. from pendere to weigh. See Poise, n., and compare Pensive.]

1.
To balance; to make of equal weight; as, to poise the scales of a balance.
2.
To hold or place in equilibrium or equiponderance.
Nor yet was earth suspended in the sky; Nor poised, did on her own foundation lie. — Dryden
3.
To counterpoise; to counterbalance.
One scale of reason to poise another of sensuality. — Shakespeare
To poise with solid sense a sprightly wit. — Dryden
4.
To ascertain, as by the balance; to weigh.
He can not sincerely consider the strength, poise the weight, and discern the evidence. — South
5.
To weigh (down); to oppress. [Obsolete]
Lest leaden slumber peise me down to-morrow. — Shakespeare

Poise , intransitive verb

To hang in equilibrium; to be balanced or suspended; hence, to be in suspense or doubt.
The slender, graceful spars Poise aloft in air. — Longfellow