Superiority of position or place; the place or condition which gives one an advantage over another; favorable position.(noun)
The Century Dictionary (Public Domain)
Use "vantage-ground" in a sentence
"When he looked back now from his vantage-ground, the old world he had known, the world of land and sea and ships, of sailor-men and harpy-women, seemed a very small world; and yet it blended in with this new world and expanded."
"And yet it is a great vantage-ground towards friendship to have sprung from the same loins and to have been suckled at the same breasts, since even among beasts a certain natural craving, and sympathy springs up between creatures reared together. 159 Added to which, a man who has brothers commands more respect from the rest of the world than the man who has none, and who must fight his own battles. 160"
"Then the Locrians ceased clinging to their rear, but continued their volleys from the vantage-ground above."