| 1. | a gangrenous or ulcerous sore, esp. in the mouth. |
| 2. | a disease affecting horses' feet, usually the soles, characterized by a foul-smelling exudate. |
| 3. | a defined area of diseased tissue, esp. in woody stems. |
| 4. | something that corrodes, corrupts, destroys, or irritates. |
| 5. | Also called canker rose. British Dialect. dog rose. |
| 6. | to infect with canker. |
| 7. | to corrupt; destroy slowly. |
| 8. | to become infected with or as if with canker. |
canker can·ker (kāng'kər)
n.
Ulceration of the mouth and lips.
An acute inflammation or infection of the ear and auditory canal, especially in dogs and cats.
Cancrum.