treebound adjective3 •Secured (bound) to a tree.It was no other than the young woman who cut loose the treebound captive! — 2004 •Surrounded by trees.From the centre of each side of this treebound square ran avenues east, west, and south into the wide expanse of corn-land . . . — 1886 •Moving towards (bound for) a tree.Carter could nail a treebound raccoon right between the eyes. — 2000 formsmore treebound · most treebound