1. canker - Noun
2. canker - Verb
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.
Anything which corrodes, corrupts, or destroy.
A disease incident to trees, causing the bark to rot and fall off.
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.
A kind of wild, worthless rose; the dog-rose.
To affect as a canker; to eat away; to corrode; to consume.
To infect or pollute; to corrupt.
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.
Source: Webster's dictionaryLet the public mind become corrupt, and all efforts to secure property, liberty, or life by the force of laws written on paper will be as vain as putting up a sign in an apple orchard to exclude canker worms. Horace Mann
There's a joy without canker or cark, There's a pleasure eternally new, 'T is to gloat on the glaze and the mark Of china that's ancient and blue. Andrew Lang
I'm Gentleman Death in silk and lace, come to put out the candles. The canker in the heart of the rose. Anne Rice
The canker which the trunk conceals is revealed by the leaves, the fruit, or the flower. Metastasio
A frenzied passion for art is a canker that devours everything else. Charles Baudelaire
Foul canker of fair virtuous action, Vile blaster of the freshest blooms on earth, Envys abhorrèd child, Detraction, I here expose, to thy all-tainting breath, The issue of my brain: snarl, rail, bark, bite, Know that my spirit scorns Detraction's spite. John Marston