bronchus

[brong-kuh s]
noun, plural bron·chi [brong-kee, -kahy] /ˈbrɒŋ ki, -kaɪ/. Anatomy.
  1. either of the two main branches of the trachea.

Origin of bronchus

1700–10; < New Latin < Greek brónchos windpipe
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for bronchus

bronchus

noun plural -chi (-kaɪ)
  1. either of the two main branches of the trachea, which contain cartilage within their walls

Word Origin for bronchus

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

Word Origin and History for bronchus
n.

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

Online Etymology Dictionary, © 2010 Douglas Harper

bronchus in Medicine

bronchus

[brŏngkəs]
n. pl. bron•chi (-kī′, -kē′)
  1. 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.

bronchus in Science

bronchus

[brŏngkəs]
Plural bronchi (brŏngkī′, brŏngkē′)
  1. 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.