Related formsar·bo·re·al·ly, adverbsub·ar·bo·re·al, adjective
Examples from the Web for arboreal
The known part of the route from an arboreal ancestor with a swim bladder to an urban descendant with a cigarette.
The passenger generally leaned forward in a position strongly suggestive of the favorite attitude of his arboreal ancestors.The Arena|Various
Up into the trees we went, and on and on, swinging our arboreal flight until we had put miles between us and the caves.Before Adam|Jack London
An arboreal animal which makes itself at home in genealogical trees.
Some of these birds, says Chapman, are arboreal, others are strictly terrestrial.