"laparotomy." YourDictionary, n.d. Web. 15 September 2018. <http://www.yourdictionary.com/laparotomy>.
laparotomy. (n.d.). Retrieved September 15th, 2018, from http://www.yourdictionary.com/laparotomy
(surgery) The surgical procedure for making an incision in the abdominal wall to gain access into the abdominal cavity. Performed either as exploratory surgery, or as the first step in an abdominal operation.
From laparo- +"Ž -tomy.
English Wiktionary. Available under CC-BY-SA license.