(transitive) To apply weight in order to balance an opposing weight. / (transitive, figuratively) To match or equal in effect when applying opposing force

(literally) A weight that is put in opposition to an equal weight so it keeps that in balance. / (figuratively) A force or influence that balances, checks or limits an opposite one.

plural of counterbalance

simple past tense and past participle of counterbalance

Having a counterbalance

(archaic) third-person singular simple present indicative form of counterbalance

plural of counterbalancer

One who, or that which, counterbalances. / Part of a bicycle designed to reduce vibration.