The Collaborative International Dictionary
Prebronchial
Prebronchial \Pre*bron"chi*al\, a. (Anat.) Situated in front of the bronchus; -- applied especially to an air sac on either side of the esophagus of birds.
Wiktionary
prebronchial
a. (context anatomy English) Situated in front of the bronchus; applied especially to an air sac on either side of the esophagus of birds.