noun

1. A weight sufficient to balance another, for example in the opposite end of scales; 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

Synonyms: equiponderance

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.