hysterotomy(n = noun.act) - surgical incision into the uterus (as in cesarean section);
is a kind of operation, surgery, surgical operation, surgical procedure, surgical process
is a part of abdominal delivery, c-section, caesarean, caesarean delivery, caesarean section, caesarian, caesarian delivery, caesarian section, cesarean, cesarean delivery, cesarean section, cesarian, cesarian section

   The act of cutting into the uterus, as in Cæsarean section. See under Cæsarean. [1913 Webster]