What is the meaning of Poise?

A state of balance, equilibrium or stability.

Composure; freedom from embarrassment or affectation.

Mien; bearing or deportment of the head or body.

A condition of hovering, or being suspended.

A CGS unit of dynamic viscosity equal to one dyne-second per square centimetre.

Weight; an amount of weight, the amount something weighs.

The weight, or mass of metal, used in weighing, to balance the substance weighed.

That which causes a balance; a counterweight.

To hang in equilibrium; to be balanced or suspended; hence, to be in suspense or doubt.

To counterpoise; to counterbalance.

To be of a given weight; to weigh.

To add weight to, to weigh down.

To hold (something) with or against something else in equilibrium; to balance, counterpose.

To hold (something) in equilibrium, to hold balanced and ready; to carry (something) ready to be used.

To keep (something) in equilibrium; to hold suspended or balanced.

To ascertain, as if by balancing; to weigh.

weight

a unit of measure of unknown value (which presumably varied because of the technology of the time)

inflection of poisar:

  1. first/third-person singular present subjunctive
  2. third-person singular imperative

first/third-person singular present subjunctive

third-person singular imperative

Source: wiktionary.org