ejection seat ejection seat /ɪˈdʒɛkʃən siːt/

noun

1. [ N. American] A pilot's seat in an airplane that can be forcibly ejected in the case of an emergency; then the pilot descends by parachute  ( capsule , ejection seat [ N. American] , ejector seat [British] )
   a pilot's seat in an airplane that can be forcibly ejected in the case of an emergency; then the pilot descends by parachute