from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A mild contagious skin disease of cattle, usually affecting the udder, that is caused by a virus and characterized by the eruption of a pustular rash. When the virus is transmitted to humans, as by vaccination, it can confer immunity to smallpox. Also called vaccinia.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A pustular, eruptive skin disease of cattle caused by an Orthopoxvirus, with lesions occurring principally on the udder and teats. Human infection may occur from touching cows, and gives immunity to smallpox.
from the GNU version of the Collaborative International Dictionary of English
- n. A pustular eruptive disease of the cow, which, when communicated to the human system, as by vaccination, protects from the smallpox; vaccinia; -- called also kinepox, cowpock, and kinepock.
from The Century Dictionary and Cyclopedia
- n. A vaccine disease which appears on the teats of a cow, in the form of vesicles of a blue color, approaching to livid.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a viral disease of cattle causing a mild skin disease affecting the udder; formerly used to inoculate humans against smallpox
cow + pox (Wiktionary)