ejection seat (US) noun
or ejector seat /ɪˈʤɛktɚ-/ plural ejection seats
or ejector seat /ɪˈʤɛktɚ-/ plural ejection seats
Learner's definition of EJECTION SEAT
[count]
: a special seat in an airplane that is used to throw you out and away from the plane when the plane is going to crash弹射座椅