from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A print made by the thumb, especially by the pad of the thumb.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A print, mark or impression made by a thumb.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. fingerprint made by the thumb (especially by the pad of the thumb)
Sorry, no etymologies found.