<p><strong>Noun</strong></p><ul><li>a boxer; pugilist.</li><li>an aircraft designed to seek out and destroy enemy aircraft in the air and to protect bomber aircraft.</li><li>a person who fights, struggles, resists, etc.</li><li>a person with the will, courage, determination, ability, or disposition to fight, struggle, resist, etc.</li><li>an animal, as a dog, trained to fight or having the disposition to fight.</li></ul>