/sɪ'zeərɪən; sɪ`zɛrɪən/
n (also Cesarian, Cae,sarean `section) surgical operation for delivering a baby by cutting the walls of the mother's abdomen and uterus 剖腹产术
*It was a difficult birth
*she had to have a Caesarean. 她因为难产, 要做剖腹产术.

n alsocae.sarean 'section[C]
an operation in which a woman's body is cut open to take a baby out
born/delivered etc by caesarean
　Both her children were born by caesarean section.
　She had to have a caesarean .