- pertaining to the or .
- of or relating to the bronchi or the bronchial tubes
c.1735, from Late Latin bronchus, from Greek bronkhos “windpipe, throat” (from PIE *gwronkh-, from root *gwere- “to swallow”) + (1). bronchial tubes is from 1847.
- Relating to the bronchi, the bronchial tubes, or the bronchioles.