tree frog

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of various usually small frogs of the family Hylidae, most of which are arboreal and have long toes terminating in adhesive disks.

from The Century Dictionary.

• noun Any batrachian which lives in trees

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Frog of the family Hylidae, of small size and more elegant in form than the true frogs (family Ranidae), often with a bright coloration.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun arboreal amphibians usually having adhesive disks at the tip of each toe; of southeast Asia and Australia and America
• noun any of various Old World arboreal frogs distinguished from true frogs by adhesive suckers on the toes
• noun any of various Old World arboreal frogs distinguished from true frogs by adhesive suckers on the toes
• noun arboreal amphibians usually having adhesive disks at the tip of each toe; of southeast Asia and Australia and America