Caesarean section

noun
1.
surgical incision through the abdominal and uterine walls in order to deliver a baby
Word Origin
C17: from the belief that Julius Caesar was so delivered, the name allegedly being derived from caesus, past participle of caedere to cut
caesarean section in Medicine

caesarean section n.
Variant of cesarean section.

caesarean section in Science
cesarean section also caesarean section
  (sĭ-zâr'ē-ən)   
A surgical incision through the abdominal wall and uterus, performed to deliver a fetus.