canker(redirected from Canker sores)
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1. Ulceration of the mouth and lips.
2. An inflammation or infection of the ear and auditory canal, especially in dogs and cats.
3. A condition in horses similar to but more advanced than thrush.
a. A localized diseased or necrotic area on a plant part, especially on a trunk, branch, or twig of a woody plant, usually caused by fungi or bacteria.
b. Any of several diseases of plants characterized by the presence of such lesions.
5. A source of spreading corruption or decay.
v. can·kered, can·ker·ing, can·kers
1. To attack or infect with canker.
2. To infect with corruption or decay.
To become infected with or as if with canker.
1. (Pathology) an ulceration, esp of the lips or lining of the oral cavity
2. (Veterinary Science) vet science
a. a disease of horses in which the horn of the hoofs becomes soft and spongy
b. an inflammation of the lining of the external ear, esp in dogs and cats, resulting in a discharge and sometimes ulceration
c. ulceration or abscess of the mouth, eyelids, ears, or cloaca of birds
3. (Plant Pathology) an open wound in the stem of a tree or shrub, caused by injury or parasites
4. something evil that spreads and corrupts
(Pathology) to infect or become infected with or as if with canker
[Old English cancer, from Latin cancer crab, cancerous sore]
1. a gangrenous or ulcerous sore, esp. in the mouth.
2. a defined area of diseased tissue, esp. in woody stems.
3. something that corrupts or destroys; blight.v.t.
4. to infect with canker.
5. to corrupt; destroy slowly.v.i.
6. to become infected with or as if with canker.Also called can′ker sore` (for defs. 1,3).
[before 1000; Middle English; Old English cancer < Latin;]
Past participle: cankered
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|Noun||1.||canker - a fungal disease of woody plants that causes localized damage to the bark|
plant disease - a disease that affects plants
|2.||canker - an ulceration (especially of the lips or lining of the mouth)|
|3.||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"|
influence - a cognitive factor that tends to have an effect on what you do; "her wishes had a great influence on his thinking"
|Verb||1.||canker - become infected with a canker|
|2.||canker - infect with a canker|
infect - communicate a disease to; "Your children have infected you with this head cold"
1. corruption, disease, cancer, infection, rot, blight, scourge, corrosion, bane The canker of anti-semitism is growing again in this country.
2. fungal disease In gardens, cankers are the most prominent on apple and pear trees.
n. ulceración de la boca o los labios;
___ sore → afta, llaga ulcerosa.