棺かん内ない分ぶん娩べんかんないぶんべんMeanings1nouncoffin birth; postmortem fetal extrusionmedicine›Medical term for the rare phenomenon where a deceased pregnant body expels the fetus after death. Used in forensic and medical contexts.棺かん内ない分ぶん娩べんは法ほう医い学がく的てき