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[brong-kee, -kahy] /ˈbrɒŋ ki, -kaɪ/
noun, Anatomy
plural of bronchus.


[brong-kuh s] /ˈbrɒŋ kəs/
noun, plural bronchi
[brong-kee, -kahy] /ˈbrɒŋ ki, -kaɪ/ (Show IPA).
either of the two main branches of the trachea.
Origin of bronchus
1700-10; < New Latin < Greek brónchos windpipe Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for bronchi
  • The deep accompanies the branches of the pulmonary vessels and the ramifications of the bronchi.
  • The trachea and bronchi have plexuses in the mucosa and submucosa but the smaller bronchi have only a single layer.
  • Branches from this plexus accompany the ramifications of the bronchi through the substance of the lung.
  • Branching from the lungs are two hollow tubular organs termed in medical phrase the bronchi.
  • Injuries to the smaller bronchi can sometimes be treated without surgery.
  • Asthma is caused by narrowing and clogging of the small tubes called bronchi that carry air in and out of the lungs.
  • The trachea and bronchi are normally pink and smooth.
British Dictionary definitions for bronchi


the plural of bronchus


noun (pl) -chi (-kaɪ)
either of the two main branches of the trachea, which contain cartilage within their walls
Word Origin
C18: from New Latin, from Greek bronkhos windpipe
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for bronchi



1706 (plural bronchi), from Greek bronkhos "the wind pipe" (see bronchial).

Online Etymology Dictionary, © 2010 Douglas Harper
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bronchi in Medicine

bronchus bron·chus (brŏng'kəs)
n. pl. bron·chi (-kī', -kē')
Either of two main branches of the trachea, leading directly to the lungs.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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bronchi in Science
Plural bronchi (brŏng'kī', brŏng'kē')
Either of the two main branches of the trachea that lead to the lungs, where they divide into smaller branches.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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