[ ahr-bawr-ee-uh l, -bohr- ]
/ ɑrˈbɔr i əl, -ˈboʊr- /


of or relating to trees; treelike.
Also arboreous. living in or among trees.
Zoology. adapted for living and moving about in trees, as the limbs and skeleton of opossums, squirrels, monkeys, and apes.

Origin of arboreal

1660–70; < Latin arbore(us) of trees (arbor tree + -eus -eous) + -al1

Related forms

ar·bo·re·al·ly, adverbsub·ar·bo·re·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for arboreal

British Dictionary definitions for arboreal


/ (ɑːˈbɔːrɪəl) /


of, relating to, or resembling a tree
living in or among treesarboreal monkeys

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

Science definitions for arboreal


[ är-bôrē-əl ]

Relating to or living in trees.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.