tracheotomy

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a surgical operation that creates an opening into the trachea with a tube inserted to provide a passage for air;
performed when the pharynx is obstructed by edema or cancer or other causes
• Syn:
tracheostomy
• Hypernyms:
operation, surgery, surgical operation, surgical procedure, surgical process
• Part Meronyms:
stoma