The Collaborative International Dictionary of English v.0.48:

Morrimal \Mor"ri*mal\, n. & a.
   See Mormal.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mormal \Mor"mal\, n. [F. mort-mai a deadly evil. Nares.]
   A bad sore; a gangrene; a cancer. [Obs.] [Written also
   morrimal and mortmal.] --Chaucer.
   [1913 Webster]