Source : Webster's Revised Unabridged Dictionary (1913)

Ulcerous \Ul"cer*ous\, a. [L. ulcerous: cf. F. ulc['e]reux.]
   1. Having the nature or character of an ulcer; discharging
      purulent or other matter. --R. Browning.

   2. Affected with an ulcer or ulcers; ulcerated.

            It will but skin and film the ulcerous place.
                                                  --Shak.
      -- {Ul"cer*ous*ly}, adv. -- {Ul"cer*ous*ness}, n.

Source : WordNet®

ulcerous
     adj : having an ulcer or canker [syn: {cankerous}, {ulcerated}]