[gan.grene] n [L gangraena, fr. Gk gangraina; akin to Gk gran to gnaw] (1543) 1: local death of soft tissues due to loss of blood supply
2: pervasive decay or corruption: rot "moral ~" -- gan.gre.nous adj
[2]gangrene vb gan.grened ; gan.gren.ing vt (1607): to make gangrenous ~ vi: to become gangrenous