poise

nouns

a cgs unit of dynamic viscosity equal to one dyne-second per square centimeter; the viscosity of a fluid in which a force of one dyne per square centimeter maintains a velocity of 1 centimeter per second
is a type of (narrower)
a unit of measurement for viscosity
a state of being balanced in a stable equilibrium
is a type of (narrower)
a stable situation in which forces cancel one another
great coolness and composure under strain
"keep your cool"

verbs

be motionless, in suspension
"The bird poised for a few moments before it attacked"
is a type of (narrower)
hang in the air; fly or be suspended above
prepare (oneself) for something unpleasant or difficult
cause to be balanced or suspended
is a type of (narrower)
put into a certain place or abstract location
"Put your things here"; "Set the tray down"; "Set the dogs on the scent of the missing children"; "Place emphasis on a certain point"
causes
hold or carry in equilibrium
hold or carry in equilibrium