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  1. Dictionary
    can·ker
    /ˈkaNGkər/

    noun

    • 1. a destructive fungal disease of apple and other trees that results in damage to the bark: "cut out lesions on branches caused by canker" Similar fungal diseasefungal rotplant rotblight
    • 2. an ulcerous condition or disease of a human or animal. Similar ulcerulcerationinfectionsore

    verb

    • 1. (of a plant or part of a plant) become infected with canker: "the tree is apt to canker in poor soils"

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  2. www.merriam-webster.com › dictionary › cankerCanker Definition & Meaning - Merriam-Webster

    Canker can be a noun or a verb, and it has different meanings in medicine, botany, and grammar. Learn the origin, synonyms, examples, and phrases of canker from the authoritative dictionary source.

  3. dictionary.cambridge.org › dictionary › englishMeaning of canker in English - Cambridge Dictionary

    Canker is a noun that can mean a disease of trees, animals, or humans, or something evil that spreads. Learn the biology, pronunciation, and translations of canker with examples from Cambridge Dictionary.

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  5. www.dictionary.com › browse › cankerCANKER Definition & Meaning | Dictionary.com

    Canker is a noun that means a gangrenous or ulcerous sore, especially in the mouth, or a disease of horses' feet. It is also a verb that means to infect or corrupt something.

  6. www.mayoclinic.org › diseases-conditions › canker-soreCanker sore - Symptoms and causes - Mayo Clinic

    Apr 3, 2018 · Canker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums. Unlike cold sores, canker sores don't occur on the surface of your lips and they aren't contagious.

  7. www.britannica.com › science › cankerCanker | Description, Symptoms, & Control | Britannica

    canker, plant disease, caused by numerous species of fungi and bacteria, that occurs primarily on woody species. Symptoms include round-to-irregular sunken, swollen, flattened, cracked, discoloured, or dead areas on the stems (canes), twigs, limbs, or trunk. Cankers may enlarge and girdle a twig or branch, killing the foliage beyond it.

  8. www.vocabulary.com › dictionary › cankerCanker - Definition, Meaning & Synonyms | Vocabulary.com

    A canker is a kind of sore. Some people are prone to getting cankers on their mouths. Canker can also refer to anything that is terrible and difficult to get rid of. Your parents might complain that the abandoned, run-down house two blocks away is a canker on your neighborhood.

  9. www.thefreedictionary.com › CankerCanker - definition of canker by The Free Dictionary

    Canker is a word that can mean an ulceration, a plant disease, or a source of corruption. Learn how to use canker as a noun or a verb, and see synonyms and translations.