COUNTERPOISE

vt to act against with equal power; to balance.

2. counterpoise ·noun an equal power or force acting in opposition; a force sufficient to balance another force.

3. counterpoise ·noun the relation of two weights or forces which balance each other; equilibrium; equiponderance.

4. counterpoise ·noun a weight sufficient to balance another, as in the opposite scale of a balance; an equal weight.

5. counterpoise ·vt to act against with equal weight; to equal in weight; to balance the weight of; to counterbalance.