canker
UK /ˈkæŋkə/ · US /ˈkæŋkɚ/ noun, verb
Forms cankers cankering cankered
- noun (phytopathology) A plant disease marked by gradual decay.
- noun A region of dead plant tissue caused by such a disease.
- noun A worm or grub that destroys plant buds or leaves; cankerworm.
- noun A corroding or sloughing ulcer; especially a spreading gangrenous ulcer or collection of ulcers in or about the mouth.
- noun Anything which corrodes, corrupts, or destroys. “the canker of destitution and violence.”
- noun A kind of wild rose; the dog rose.
- 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.
- noun An avian disease affecting doves, poultry, parrots and birds of prey, caused by Trichomonas gallinae.
- verb (transitive) To affect as a canker; to eat away; to corrode; to consume.
- verb (transitive) To infect or pollute; to corrupt.
- verb (intransitive) To waste away, grow rusty, or be oxidized, as a mineral.
- verb (intransitive) To be or become diseased, or as if diseased, with canker; to grow corrupt; to become venomous.
Synonyms
avian trichomoniasis roup frounce water canker canker of the mouth noma encanker canker sore pestilence
Etymology
From Middle English canker, cancre, from Old English cancer (“cancer; crab”), akin to Dutch kanker, Old High German chanchar. Ultimately from Latin cancer (“a cancer”). Doublet of cancer, a later borrowing from Latin, and chancre, which came through French.
From Middle English cankren, from the noun (see above).
Webster’s 1913
- 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.
- noun Anything which corrodes, corrupts, or destroy.
- verb To affect as a canker; to eat away; to corrode; to consune.
- verb To infect or pollute; to corrupt. Addison.
Etymology [OE. canker, cancre, AS. cancer (akin to D. kanker, OHG chanchar.), fr. L. cancer a cancer; or if a native word, cf. Gr. cancre, F. chancere, fr. L. cancer. See cancer, and cf. Chancre.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “canker”, CC BY-SA 4.0. Details