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intr.v. ar·bo·rized, ar·bo·riz·ing, ar·bo·riz·es
To have or produce branching formations, as the bronchial tubes of the lungs.
[From Latin arbor, tree.]
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.