noun Anatomy.
- a small branch of a bronchus.
noun
- any of the smallest bronchial tubes, usually ending in alveoli
Modern Latin, from diminutive of bronchia “the bronchial tubes” (plural; see bronchial).
n.
- Any of the fine, thin-walled, tubular extensions of a bronchus.
- Any of the small, thin-walled tubes that branch from a bronchus and end in the alveolar sacs of the lung.