counterpoise

Etymology
From, , later assimilated to.

Noun

 * 1) A weight sufficient to balance another, for example in the opposite end of scales; an equal weight.
 * 2) An effect of equal power or force acting in opposition; a force sufficient to balance another force or influence
 * 3) The relation of two weights or forces which balance each other; equilibrium
 * 1) The relation of two weights or forces which balance each other; equilibrium

Derived terms

 * counterpoise-lift

Verb

 * 1) To act against with equal weight; to equal in weight; to balance the weight of; to counterbalance.
 * 2) To act against with equal power; to balance.
 * 1) To act against with equal power; to balance.