[1] : The Collaborative International Dictionary of English v.0.48

canker \can"ker\ ka^ng"k~er, n. 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.
   1913 webster
   1. 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.
      1913 webster

   2. anything which corrodes, corrupts, or destroy.
      1913 webster

            the cankers of envy and faction.      --temple.
      1913 webster

   3. hort. a disease incident to trees, causing the bark to
      rot and fall off.
      1913 webster

   4. 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.
      1913 webster

   5. a kind of wild, worthless rose; the dog-rose.
      1913 webster

            to put down richard, that sweet lovely rose.
            and plant this thorm, this canker, bolingbroke.
                                                  --shak.
      1913 webster

   black canker. see under black.
      1913 webster
see also:
cancer chancre water canker canker of the mouth noma black canker 
black 

[2] : The Collaborative International Dictionary of English v.0.48

canker \can"ker\ ka^ng"k~er, v. t. imp.  p. p.
   cankered -k~erd; p. pr.  vb. n. cankering.
   1. to affect as a canker; to eat away; to corrode; to
      consume.
      1913 webster

            no lapse of moons can canker love.    --tennyson.
      1913 webster

   2. to infect or pollute; to corrupt. --addison.
      1913 webster

            a tithe purloined cankers the whole estate.
                                                  --herbert.
      1913 webster
see also:
cankered cankering 

[3] : The Collaborative International Dictionary of English v.0.48

canker \can"ker\, v. i.
   1. to waste away, grow rusty, or be oxidized, as a mineral.
      obs.
      1913 webster

            silvering will sully and canker more than gliding.
                                                  --bacom.
      1913 webster

   2. to be or become diseased, or as if diseased, with canker;
      to grow corrupt; to become venomous.
      1913 webster

            deceit and cankered malice.           --dryden.
      1913 webster

            as with age his body uglier grows,
            so his mind cankers.                  --shak.
      1913 webster

[4] : WordNet (r) 2.0

canker
     n : an ulceration especially of the lips or lining of the
         mouth
     v 1: become infected with a canker
     2: infect with a canker

[5] : Moby Thesaurus II by Grady Ward, 1.0

135 moby thesaurus words for "canker":
   abscess, adulterate, alloy, aposteme, bed sore, blain, blast, bleb,
   blight, blister, boil, break up, bubo, bulla, bunion, cancer,
   canker sore, carbuncle, chancre, chancroid, cheapen, chilblain,
   coarsen, cold sore, confound, contaminate, corrode, corrupt,
   crumble, crumble into dust, debase, debauch, decay, decompose,
   defile, deflower, degenerate, degrade, demoralize, denature,
   deprave, desecrate, despoil, devalue, disintegrate, distort,
   dry rot, eat, eat away, eat into, erode, eschar, fall into decay,
   fall to pieces, felon, fester, festering, fever blister, fistula,
   fungus, furuncle, furunculus, gangrene, gathering, gnaw, go bad,
   go to pieces, gumboil, hemorrhoids, infect, kibe, lesion, mildew,
   misuse, mold, molder, mortify, moth, moth and rust, must, necrose,
   nibble away, oxidize, papula, papule, paronychia, parulis, pervert,
   pest, petechia, piles, pimple, pock, poison, pollute, polyp,
   prostitute, pustule, putrefy, putresce, rankle, ravage, ravish,
   rising, rot, rust, scab, smut, soft chancre, sore, sphacelate,
   spoil, stain, stigma, sty, suppurate, suppuration, swelling, taint,
   tubercle, twist, ulcer, ulcerate, ulceration, violate, vitiate,
   vulgarize, wale, warp, welt, wheal, whelk, whitlow, worm, wound

[6] : Easton's 1897 Bible Dictionary

canker
   a gangrene or mortification which gradually spreads over the
   whole body 2 tim. 2:17. in james 5:3 "cankered" means "rusted"
   r.v. or tarnished.
   

Canker >> C Words
Canker, definition of term: Canker
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Canker Blossom, definition of term: Canker Blossom
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