Noun | 1. | bronchospasm - a spasm of the bronchi that makes exhalation difficult and noisy; associated with asthma and bronchitis spasm - (pathology) sudden constriction of a hollow organ (as a blood vessel) asthma, asthma attack, bronchial asthma - respiratory disorder characterized by wheezing; usually of allergic origin bronchitis - inflammation of the membranes lining the bronchial tubes |