\Rhon"chi*al\, a. (Med.)
Of or pertaining to a rhonchus; produced by rhonchi.

{Rhonchial fremitus}. [L. fremitus a dull roaring or
   murmuring.] (Med.) A vibration of the chest wall that may
   be felt by the hand laid upon its surface. It is caused in
   the production of rhonchi in the bronchial tubes.