Meaning of air-superiority

air-su•pe•ri•or•i•ty

Pronunciation: (âr'su-pēr-ē-ôr"i-tē, -or"-, -soo-), [key]
— adj.
  1. designating a fighter aircraft built for long patrol capability at high altitudes and supersonic speeds, with air-to-air combat as its principal mission.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.