Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - Either of the two main tubes leading from the trachea.

Usage examples (36)
  • The left main bronchus is more horizontal then the right.
  • Main bronchus occlusion for treatment of congenital diaphragmatic hernia in fetal lambs.
  • For the sake of simplicity only one lung and one bronchus are shown.
  • The main bronchus splits into two bronchi, one going to either lung. for more
Tutoring comment

Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google,,, and YouTube,,,,, as well as the generous Creative Commons community.