Ulcer Definition
 ŭlsər 
  ulcers
  
    noun
  
 
    ulcers
  
An open sore (other than a wound) on the skin or some mucous membrane, as the lining of the stomach (peptic ulcer), characterized by the disintegration of the tissue and, often, the discharge of pus.
 Webster's New World 
Any corrupting or festering condition or influence.
 Webster's New World 
Synonyms: 
  Other Word Forms of Ulcer
Noun
Singular:
 ulcerPlural:
 ulcersUlcer Is Also Mentioned In
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