Definition of: gangrene

(gang′grēn, gang·grēn′) noun Pathol.
Mortification or death of a part of the body, caused by failure or lack of an adequate blood supply; massive necrosis of the tissue.
—v.t. & v.i. gan·grened, gan·gren·ing To cause gangrene in or become affected by gangrene. [<L gangraena <Gk. gangraina]
—gan′gre·nous (-grə·nəs) adjective