• WordNet 3.6
    • v canker infect with a canker
    • v canker become infected with a canker
    • n canker a pernicious and malign influence that is hard to get rid of "racism is a pestilence at the heart of the nation","according to him, I was the canker in their midst"
    • n canker an ulceration (especially of the lips or lining of the mouth)
    • n canker a fungal disease of woody plants that causes localized damage to the bark
    • ***
Webster's Revised Unabridged Dictionary
    • Canker 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.
    • Canker (Hort) A disease incident to trees, causing the bark to rot and fall off.
    • Canker A kind of wild, worthless rose; the dog-rose. "To put down Richard, that sweet lovely rose.
      And plant this thorm, this canker , Bolingbroke."
    • Canker (Far) 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.
    • Canker Anything which corrodes, corrupts, or destroy. "The cankers of envy and faction."
    • Canker To affect as a canker; to eat away; to corrode; to consume. "No lapse of moons can canker Love."
    • Canker To be or become diseased, or as if diseased, with canker; to grow corrupt; to become venomous. "Deceit and cankered malice.""As with age his body uglier grows,
      So his mind cankers ."
    • Canker To infect or pollute; to corrupt. "A tithe purloined cankers the whole estate."
    • Canker To waste away, grow rusty, or be oxidized, as a mineral. "Silvering will sully and canker more than gliding."
    • ***
Century Dictionary and Cyclopedia
    • n canker A cancerous, gangrenous, or ulcerous sore or disease, whether in animals or plants; hence, any corroding or other noxious agency producing ulceration, gangrene, rot, decay, etc.
    • n canker Specifically— Cancrum oris (which see, under cancrum).
    • n canker A disease or fungus attacking trees or other plants and causing slow decay.
    • n canker In farriery, a disease in horses' feet, causing a discharge of fetid matter from the cleft in the middle of the frog, generally originating in a diseased thrush.
    • n canker A canker-worm or insect-larva that injures plants by feeding on them.
    • n canker Figuratively, anything that corrodes, corrupts, destroys, or irritates; irritation; pain; grief; care.
    • n canker Rust.
    • n canker In botany: The canker-rose or field-poppy, Papaver Rhæas.
    • n canker The wild dogrose, Rosa canina.
    • n canker A toadstool.
    • canker To infect with canker, either literally or figuratively; eat into, corrode, or corrupt; infect as with a poisonous influence; render ill-conditioned or venomous; make sour and ill-natured.
    • canker To corrode; grow corrupt; be infected with some poisonous or pernicious influence; be or become ill-conditioned or malignant.
    • canker To fret; become peevish.
    • canker To decay or waste away by means of any noxious cause; grow rusty or discolored by oxidation, as a metal.
    • n canker An irregular excrescence on the trunks or branches of woody plants, caused by the perennial effort of the tissues to overcome an injury. Cankers may be originated by various causes, such as accidental wounds, injuries by frost, insects, fungi or bacteria, or various combinations of these.
    • n canker A disease of fowls affecting the mouth and windpipe. It produces ulceration and often ends in death.
    • ***
Chambers's Twentieth Century Dictionary
    • n Canker kang′kėr an eating sore: a gangrene: a disease in trees, or in horses' feet: anything that corrupts, consumes, irritates, or decays
    • v.t Canker to eat into, corrupt, or destroy: to infect or pollute: to make sour and ill-conditioned
    • v.i Canker to grow corrupt: to decay
    • ***


  • Charles Baudelaire
    “A frenzied passion for art is a canker that devours everything else.”


Webster's Revised Unabridged Dictionary
OE. canker, cancre, AS. cancer,akin to D. kanker, OHG chanchar,.), fr. L. cancer, a cancer; or if a native word, cf. Gr. excrescence on tree, gangrene. Cf. also OF. cancre, F. chancere, fr. L. cancer,. See cancer, and cf. Chancre


In literature:

As canker'd as a cow wi' ae horn.
"The Proverbs of Scotland" by Alexander Hislop
But I have seen this canker grow upon us which now leads us to our death.
"The Last of the Legions and Other Tales of Long Ago" by Arthur Conan Doyle
And the gibe went again as a poisoned shaft to the wound that was lying as a canker in the breast of Stanley.
"The Hero of Garside School" by J. Harwood Panting
The citrus canker is now threatening the orange orchards of the Southern states.
"Conservation Reader" by Harold W. Fairbanks
This covetousness is like canker, that eats the iron place where it lives.
"State Trials, Political and Social" by Various
Even while he believed that it was the sin that he hated, and not the sinner, it had been like a canker within him.
"David Fleming's Forgiveness" by Margaret Murray Robertson
The Canker Rose is the wild Dog Rose, and the name is sometimes applied to the common Red Poppy.
"The plant-lore and garden-craft of Shakespeare" by Henry Nicholson Ellacombe
The very army is smitten with the canker.
"The Frontier" by Maurice LeBlanc
There is a canker, however, somewhere about the core of his heart.
"The Prairie Child" by Arthur Stringer
Eighteen summers have scarce kissed the brow of the fair maid, and already the canker worm of sorrow is preying upon her heart-strings.
"Graham's Magazine, Vol. XXXII No. 4, April 1848" by Various

In poetry:

Fair as is fair a cankered lily,
A girl who late did lie
Beneath my window slumbrous—stilly,
Rose as these youths came nigh.
"Two Visions" by Alfred Austin
And I should steep myself in rest,
As trees when winds have fled,
And draw the canker from the breast,
The fever from the head.
"The Churchyard Tree" by Alexander Anderson
I know 'tis weakness thus to pray;
But all this cankering care —
This doubt tormenting night and day
Is more than I can bear!
"Call Me Away" by Anne Bronte
Pride and hot envy and cold greed,
The cankers of the loftier will,
What if ye triumph, and yet bleed?
Ah, can ye not be still?
"The Better Day" by Archibald Lampman
But Love had, like the canker-worm,
Consumed her early prime:
The rose grew pale, and left her cheek;
She died before her time.
"William And Margaret" by Henry Morley
The canker is on roses too!
I cried, and lifted up the rod
And scourged them bleeding to the ground.
All, all are sinners unto God.
"The Four Roses" by John Crowe Ransom

In news:

Although canker 's etiology is still not clear, Apprich cites a recently published study (Brandt 2010) describing certain similarities between canker and equine sarcoids.
In this study 25 horses diagnosed with canker also tested positive for bovine papillomavirus DNA, which can lead to sarcoid development.
Contributed photo Hypoxylon canker causes a thinning of crowns and sloughing of bark by trees.
Known as Caliciopsis pinea, state officials first identified the canker in New Hampshire in 1997 but said little is known about the disease.
Symptoms on young trees are cankers that appear slightly sunken and darker than other areas.
Cankers can girdle limbs or trunks.
Within two years of planting, growers are losing plum trees to rapid decline from girdling cankers .
If I feel a canker sore coming on, I put a wad of chopped sauerkraut on the area, hold it there for a minute, then chew and swallow.
Brought to you by Quantum, the makers of Canker Cover.
Is it a Canker Sore or Cold Sore.
It's Time for " Canker Sores 101".
Whereas the cause of canker sores remains a mystery, they affect ~20% of Americans at some point in their life.
The signs and symptoms of canker sores include painful sores in the mouth?on the tongue, on the soft palate, and inside the cheeks.
Jose Ramirez pulls down a poplar tree, one of many poplars that have been dying from canker disease, the rotting of the trees from the inside.
Treating Equine Canker with Topical Cisplatin Chemotherapy.