- (botany) A plant disease marked by gradual decay.
- A corrode, corroding or sloughing ulcer; especially a spreading gangrenous ulcer or collection of ulcers in or about the mouth. -- called also.
- Anything which corrodes, corrupts, or destroys.
- A kind of wild, worthless rose; the dog rose.
- An obstinate and often incurable disease of a horse's foot, characterized by separation of the horny portion and the development of fungoid growths. Usually resulting from neglected thrush.
Etymology: canker, cancre, cancer (akin to Dutch kanker, Old High German chanchar.), From cancer a cancer; or if a native word, compare Greek excrescence on tree, gangrene. Compare also Old French cancre, French chancere, from Latin cancer. See cancer, and compare chancre.
- (transitive) To affect as a canker; to eat away; to corrode; to consume.
- (transitive) To infect or pollute; to corrupt.
- (intransitive) To waste away, grow rusty, or be oxidized, as a mineral.
- To be or become diseased, or as if diseased, with canker; to grow corrupt; to become venomous.
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