n. 1.a state of equilibrium 2.a scale for weighing 3.equality between the totals of the credit and debit sides of an account 4.harmonious arrangement or relation of parts or elements within a whole (as in a design) 5.equality of distribution 6.something left after other parts have been taken away 7.the difference between the totals of the credit and debit sides of an account 8.(astrology) a person who is born while the sun in in Libra 9.the seventh sign of the zodiac 10.(mathematics) an attribute of a shape or relation 11.an equivalent counterbalancing weight 12.a wheel that regulates the rate of movement in a machine balance v. 1.bring into balance or equilibrium 2.compute credits and debits of an account 3.hold or carry in equilibrium 4.be in equilibrium