Meanings
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1
adj
inhabiting or frequenting trees
Arboreal apes.
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2
adj
Of, relating to, or resembling a tree.
1650, Walter Charleton (translator), “Of the Magnetick Cure of Wounds” in A Ternary of Paradoxes, by Jan Baptist van Helmont, London: William Lee, p. 72, High and sacred, in good troth, is the power of the microcosmical spirit, which without any arboreal trunck produceth a true Cherry:.
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3
adj
Living in or among trees.
If the harvest mouse had been more strictly arboreal, it would perhaps have had its tail rendered structurally prehensile, as is the case with some members of the same order.
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4
adj
Covered or filled with trees.
The breadth of the arboreal landscape requires a longer list of living creatures, and creatures of greater bulk.
Thesaurus
Etymology
From Latin arboreus (“tree-like”) + -al, mid-17th century.