The Collaborative International Dictionary of English v.0.48:
Laryngectomy \Lar`yn*gec"to*my\, n. [Larynx + Gr. ? to cut out.] (Surg.) Excision of the larynx. [Webster 1913 Suppl.]WordNet (r) 3.0 (2006):
laryngectomy n 1: surgical removal of part or all of the larynx (usually to treat cancer of the larynx)