dogfighting
/ˈdɒgfaɪtɪŋ/noun
mass noun
1- the action of flying a fighter aircraft in close combat with an enemy（战斗机的）空中格斗。
1.1
- the practice of making dogs fight for public entertainment, which is illegal in many countries（在许多国家非法的娱乐公众的）斗狗。