Definition of "tree-dwelling" [tree-dwelling]

• A hut erected in the branches of a tree: used by some Malay tribes. (noun)

The Century Dictionary (Public Domain)

• "Impatient with the situation, Quaritch decides to drink coffee and launch an airstrike against Neytiri's tree-dwelling tribe, at which point Sully, Augustine, and a few other characters who may or may not have names, side with the Na'vi and round up tribal warriors from all over (no inter-tribal warfare, remember?) to duke it out with the humans in a big helicopter-vs. -dragon battle amongst a maze of giant floating mountains."
• "Before he can even bring the tree-dwelling creature in, Bell — who cries if she's not "between a three and a seven on the emotional scale" — sensed its presence and, unable to manage her excitement like any true sloth lover, curls up in the fetal position and has a full-fledged and hilarious emotional meltdown."
• "But Red-Eye had reverted to the more primitive tree-dwelling type."