nounpl. -·mas or -·mata
a soft, rubbery tumor occurring in various organs or tissues, esp. in the late stages of syphilis
Origin of gummaModern Latin from Classical Latin gummi, gum
nounpl. gum·mas, or gum·ma·ta
A small rubbery granuloma that has a necrotic center and is enclosed by an inflamed fibrous capsule. It is characteristic of an advanced stage of syphilis.
Origin of gummaNew Latin from Late Latin gum ; see gum 1.