‖n. pl. [ L. , pl. Cf. Bronchus. ] (Anat.) The bronchial tubes which arise from the branching of the trachea, esp. the subdivision of the bronchi. Dunglison. [ 1913 Webster ]

a. [ Cf. F. bronchial. See Bronchia. ] (Anat.) Belonging to the bronchi and their ramifications in the lungs. [ 1913 Webster ]

Bronchial arteries, branches of the descending aorta, accompanying the bronchia in all their ramifications. --
Bronchial cells, the air cells terminating the bronchia. --
Bronchial glands, glands whose functions are unknown, seated along the bronchia. --
Bronchial membrane, the mucous membrane lining the bronchia. --
Bronchial tube, the bronchi, or the bronchia. [ 1913 Webster ]