ejection seat
noun [ C ] uk/ɪˈdʒekt.ʃən ˌsiːt/ us/ɪˈdʒekt.ʃən ˌsiːt/ (UK also ejector seat, uk/ɪˈdʒek.təˌsiːt/ us/-tɚ-/)
（危急情况下将人从飞机中弹出的）弹射坐椅
a seat that can throw out the person flying an aircraft if they suddenly have to leave it because they are in danger