Source : Webster's Revised Unabridged Dictionary (1913)

Laryngectomy \Lar`yn*gec"to*my\, n. [Larynx + Gr. ? to cut out.]
   (Surg.)
   Excision of the larynx.

Source : WordNet®

laryngectomy
     n : surgical removal of part or all of the larynx (usually to
         treat cancer of the larynx)