Source : Webster's Revised Unabridged Dictionary (1913)

Appendectomy \Ap`pen*dec"to*my\, Appendicectomy
\Ap*pend`i*cec"to*my\, n.] [Appendix + Gr. ?, fr. ? excision.]
   (Surg.)
   Excision of the vermiform appendix.

Source : WordNet®

appendectomy
     n : surgical removal of the vermiform appendix [syn: {appendicectomy}]