Balance (noun)

1. An even distribution of weight enabling something to remain upright and steady.
2. A state of equilibrium or stability.
3. An amount remaining after subtracting one quantity from another.
4. A measurement of the distribution of weight in an object.
5. The ability to maintain physical stability and balance.

Origin:

Middle english, from old french, from latin bilanx, from bil- + anc- (as in singulus one at a time), perhaps influenced by latin libra scale, balance.

Examples:

1. She lost her balance and fell.
2. The tightrope walker maintained his balance with a long pole.
3. The balance in his bank account was low.
4. The balance of power has shifted in favor of the new government.
5. She has a good sense of balance, which helps her in gymnastics.