Canker

·noun A kind of wild, worthless rose; the dog-rose.

II. Canker ·noun Anything which corrodes, corrupts, or destroy.

III. Canker ·vt To infect or pollute; to Corrupt.

IV. Canker ·vi To waste away, grow rusty, or be oxidized, as a mineral.

V. Canker ·noun A disease incident to trees, causing the bark to rot and fall off.

VI. Canker ·vi To be or become diseased, or as if diseased, with canker; to grow corrupt; to become venomous.

VII. Canker ·vt To affect as a canker; to eat away; to Corrode; to Consume.

VIII. Canker ·noun A corroding or sloughing ulcer; ·esp. a spreading gangrenous ulcer or collection of ulcers in or about the mouth;

— called also water canker, canker of the mouth, and noma.

IX. Canker ·noun 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.