arboreal

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:

The sleek Brazilian jaguar Does not in its arboreal gloom Distil so rank a feline smell As Grishkin in a drawing-room.

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.

An arboreal animal which makes itself at home in genealogical trees.

Covered or filled with trees.

The breadth of the arboreal landscape requires a longer list of living creatures, and creatures of greater bulk.

She married him, and the two of them settled down in this quiet, arboreal part of Kensington:

Any tree-dwelling creature.

So, by learning to use their eyes to more and more advantage the arboreals added another treasure to the foundation of human intelligence.