'Gumma' definitions:

Definition of 'gumma'

From: WordNet
noun
A small rubbery granuloma that is characteristic of an advanced stage of syphilis

Definition of 'Gumma'

From: GCIDE
  • Gumma \Gum"ma\ (g[u^]m"m[.a]), n.; pl. Gummata. [NL. So called from its gummy contents See Gum.] (Med.) A kind of soft tumor, usually of syphilitic origin. [1913 Webster]