Advantage

1. n. Interest of money; increase; overplus (as the thirteenth in the baker’s dozen).
2. 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.
3. n. Superiority; mastery; — with of or over.
4. n. Superiority of state, or that which gives it; benefit; gain; profit; as, the advantage of a good constitution.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.