What is the X in X-mas?
gumma gum·ma (gŭm'ə)
n. pl. gum·mas or gum·ma·ta (gŭm'ə-tə)
A small, rubbery granuloma having a necrotic center and an inflamed, fibrous capsule. It is characteristic of an advanced stage of syphilis. Also called syphiloma.
soft, granulomatous, tumourlike mass, sometimes appearing during the late stages of syphilis, that occurs most often beneath the skin and mucous membranes but that may also be found in the bones, nervous system, and other organs and tissues. See also syphilis.
landlocked ken (prefecture), Honshu, Japan, containing the western Kanto Plain. Most of its area is mountainous, with two-thirds more than 1,650 feet (500 m) in elevation and volcanic peaks towering over 6,560 feet (2,000 m). The prefectural capital, Maebashi, and most of the population are on a small segment of the plain in the southeast