n. one of two main respiratory branches that lead from the trachea to the lungs. - pl. bronchi. Also, refers to a compulsion to brood or obsess over the most trivial details or the most abstract concepts. It is often associated with an obsessive-compulsive disorder.
BRONCHUS: "In an obsessive-compulsive person, one of the symptoms is that of bronchus, meaning the tendency to mentally brood over the tiniest details."