symphysiotomy

noun
sym·​phy·​si·​ot·​o·​my | \ ˌsim(p)-fə-zē-ˈät-ə-mē How to pronounce symphysiotomy (audio) , sim-ˌfiz-ē- How to pronounce symphysiotomy (audio) \
plural symphysiotomies

Medical Definition of symphysiotomy

: the operation of dividing the pubic symphysis (as to facilitate childbirth)