treed adjective Etymology: in sense 1, from tree (I) + -ed; in sense 2, from past participle of tree (II) 1.: planted or grown with trees : wooded 2.: subjected to treeing: as a.: driven up a tree < a treed animal > b.: fitted on a tree < treed shoes > < no mark of stirrup iron across the instep of his freshly treed boots — Century Magazine >