Fighter /(fīt"ẽr)/

Fight·er

Fighter

n.
  1. One who fights; a combatant; a warrior.
  2. A boxer; a pugilist.
  3. A person with the determination and will to persist through great difficulty to achieve a goal; one with the courage to fight and resist an opponent, and to struggle with all one's powers.
  4. A military aircraft designed to seek out and destroy enemy aircraft; it is usually smaller and more maneuvarable than aircraft designed specifically for bombing. However, hybrid fighter-bomber aircraft that perform both functions also are used. (Mil.)