The surgical procedure for the removal of the vermiform appendix.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "appendicectomy" in a sentence
"A heart bypass will cost five per cent more and an appendicectomy three per cent more."
"This is the only way to make the diagnosis and consequently the operator must be able to carry out an appendicectomy if required."
"I'm reminded of a patient whose abnormally long appendix was lying across her right ureter (the tube from the kidney to the bladder), and when she had an appendicectomy the infections stopped."