The Collaborative International Dictionary
laryngotracheotomy
laryngotracheotomy \la*ryn`go*tra`che*ot"o*my\, n. [Larynx + tracheotomy.] (Surg.) The operation of cutting into the larynx and the upper part of the trachea, -- a frequent operation for obstruction to breathing.
Wiktionary
laryngotracheotomy
n. (context surgery English) The operation of cutting into the larynx and the upper part of the trachea.