The Collaborative International Dictionary of English v.0.48:
Appendectomy \Ap`pen*dec"to*my\, Appendicectomy \Ap*pend`i*cec"to*my\, n.] [Appendix + Gr. ?, fr. ? excision.] (Surg.) Excision of the vermiform appendix. [Webster 1913 Suppl.] AppendenceWordNet (r) 3.0 (2006):
appendicectomy n 1: surgical removal of the vermiform appendix [syn: appendectomy, appendicectomy]