arboreal

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The Word of the Day for October 5 is:

arboreal   \ahr-BOR-ee-ul\   adjective 
    *1: of, relating to, or resembling a tree 
     2: inhabiting or frequenting trees

Example sentence:
     With some of the largest and oldest trees in the world, Sequoia National 
Park in California is an arboreal wonder.

Did you know? 
          "Arbor," the Latin word for "tree," has been a rich source of 
tree-related words in English, though some are fairly rare. Some "arbor" 
descendants are synonyms of "arboreal" in the "relating to trees" sense: 
"arboraceous," "arborary,"
"arborical," and "arborous." Some are synonyms meaning "inhabiting trees": 
"arboreous" and "arboricole." Others mean "resembling a tree": "arborescent," 
"arboresque," and "arboriform." The verb "arborize" means "to branch freely," 
and "arborvitae" is the name of a shrub that means literally "tree of life." 
There's also "arboretum" and "arboriculture." And we can't forget "Arbor Day," 
which since 1872 has named a day set aside by various states (and the national 
government) for planting trees. But watch out -- the word "arbor," in the sense 
of a "bower," is from Anglo-French "herbe."