(n)a pilot's seat in an airplane that can be forcibly ejected in the case of an emergency; then the pilot descends by parachute, Syn.capsule, ejector seat
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
n. [ L. ejectio: cf. F. éjection. ] 1. The act of ejecting or casting out; discharge; expulsion; evacuation. “Vast ejection of ashes.” Eustace. “The ejection of a word.” Johnson. [ 1913 Webster ]
2. (Physiol.) The act or process of discharging anything from the body, particularly the excretions. [ 1913 Webster ]
3. The state of being ejected or cast out; dispossession; banishment. [ 1913 Webster ]