1. (n.) Any condition, circumstance, opportunity, or means, particularly favorable to success, or to any desired end; benefit; as, the enemy had the advantage of a more elevated position.

2. (n.) Superiority; mastery; -- with of or over.

3. (n.) Superiority of state, or that which gives it; benefit; gain; profit; as, the advantage of a good constitution.

4. (n.) Interest of money; increase; surplus (as the thirteenth in the baker's dozen).

5. (v. t.) To give an advantage to; to further; to promote; to benefit; to profit.