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Stricture of the larynx owing to congenital bands or membranes, foreign bodies, tumors, scarring following ulceration as in diphtheria and tertiary syphilis, penetrating wounds, or corrosive fluid. Patients experience dyspnea, esp. on inspiration and exertion, often accompanied by stridor. Treatment depends on the cause. Tracheotomy is often necessary.
See also: laryngostenosis