from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Excessive growth of horny tissue of the skin.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The condition of keratin growing on the skin.
from The Century Dictionary and Cyclopedia
- n. In pathology, disease of the outer layers of the epidermis.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a skin condition marked by an overgrowth of layers of horny skin
Sorry, no etymologies found.