Counterpoise

Part of speech: noun (n.)

1. A weight sufficient to balance another, as in the opposite scale of a balance; an equal weight. Fastening that to our exact balance, we put a metalline counterpoise into the opposite scale. Boyle.

2. An equal power or force acting in opposition; a force sufficient to balance another force. The second nobles are a counterpoise to the higher nobility, that they grow not too potent. Bacon.

3. The relation of two weights or forces which balance each other; equilibrum; equiponderance. The pendulous round eart, with balanced air, In counterpoise. Milton.

Part of speech: verb (v.)

1. To act against with equal weight; to equal in weght; to balance the weight of; to counterbalance. Weigts, counterpoising one another. Sir K. Digby.

2. To act against with equal power; to balance. So many freeholders of English will be able to beard and counterpoise the rest. Spenser.