Main Entry: can·ker

Pronunciation: \ˈkaŋ-kər\

Function: noun

1 a (1) : an erosive or spreading sore (2) obsolete : gangrene b : canker sore
2 a : a chronic inflammation of the ear in dogs, cats, or rabbits ; especially : a localized form of mange b : a chronic and progressive inflammation of the deep horn-producing tissues of the frog and sole of the hooves of horses resulting in softening and destruction of the horny layers