(uncountable) An inflammation of the bronchi of the lungs, that causes the cilia of the bronchial epithelial cells to stop functioning.

(medicine) Spanish influenza

(medicine) One of the two entities making up chronic obstructive pulmonary disease (COPD), defined as having a productive cough for three months in each of two successive years in a patient in whom other causes of chronic cough have been excluded.

plural of bronchitis