canker: Meaning and Definition of

can•ker

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 calledSee

1. to infect with canker.
2. to corrupt; destroy slowly.

1. to become infected with or as if with canker.