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n. A severe, often gangrenous inflammation of the mouth or genitals, occurring usually after an infectious disease and found most often in children in poor hygienic or malnourished condition.

n. A gangrenous disease leading to tissue destruction of the face, especially the mouth and cheek.

n. See canker, n., 1.

In medicine, a gangrenous ulceration of the mouth or of the pudendal labia in children; when affecting the mouth, called also gangrenous stomatitis, or cancrum oris. Also nome.

n. acute ulceration of the mucous membranes of the mouth or genitals; often seen in undernourished children

"He tries to find a genetic cause for the disease 'noma' (a rare gangrenous condition of the face and mouth), studies physical abnormalities and contagious diseases, conducts experiments with wounds, and attempts to change the colour of inmate's eyes to blue with injections of chemicals directly into the eyeball."

ulceration    ulcer   

canker