帝てい切せつていせつMeanings1nounC-section; Caesarean sectionabbreviationmedicineMedical abbreviation for 帝王切開. Used in clinical settings and informal medical contexts.See also: 帝王切開予よ定てい帝てい切せつで出しゅっ産さんしました。I gave birth by scheduled C-section.緊きん急きゅう帝てい切せつが必ひつ要ようになった。An emergency C-section became necessary.