laparotomize
transitive verb
lap·a·rot·om·ize
variants:
or British laparotomise \ ˌlap-ə-ˈrät-ə-ˌmīz 
\
\
laparotomized
or British laparotomised;
laparotomizing
or British laparotomising
Medical Definition of laparotomize
: to perform a laparotomy on