Definition of poises:
(n) :
Composure; freedom from embarrassment or affectation.
(n) :
A state of balance, equilibrium or stability.
(n) :
Mien; bearing or deportment of the head or body.
(n) :
A condition of hovering, or being suspended.
(v) :
To hold (something) in equilibrium, to hold balanced and ready; to carry (something) ready to be used.
(v) :
To keep (something) in equilibrium; to hold suspended or balanced.