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n. pl. bron·chi·a (-kē-ə)
A bronchial tube that is smaller than a bronchus and larger than a bronchiole.
[New Latin, sing. of Late Latin bronchia, bronchial tubes, from Greek bronkhia, from bronkhos, windpipe.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a medium-sized bronchial tube
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014