Counterpoise

Pronunciation: koun"t?r-poiz`; 277
v. t.
  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.

Pronunciation: koun"t?r-poiz`
n.
  1. A weight sufficient to balance another, as in the opposite scale of a balance; an equal weight.
  2. An equal power or force acting in opposition; a force sufficient to balance another force.
  3. The relation of two weights or forces which balance each other; equilibrium; equiponderance.