1) Arboreally cornered 2) At bay 3) At bay in a bay 4) Beset by baying dogs 5) Brought to bay 6) Cart for haulage 7) Caught in a predicament 8) Chased up a trunk 9) Cornered 10) Cornered by a bear 11) Cornered in branches 12) Cornered the cat 13) Daily-life partners 14) Forced out on a limb 15) Having no way to escape Found on https://www.crosswordclues.com/clue/treed