Definition: Paroxysmal spasmodic muscular contraction of the vocal cords. It is brief, usually lasting for less than one minute, interrupting the speech and breathing and may produce a high-pitched breathing sound. It may occur under anesthesia or may be associated with gastroesophageal reflex disease.
Synonyms (terms occurring on more labels are shown first): laryngospasm, laryngismus, laryngeal spasm, laryngeal stridor, laryngospasms, laryn-gospasm
More information: PubMed search and possibly Wikipedia