The Collaborative International Dictionary of English v.0.48:
Lich \Lich\ (l[i^]ch), n. [AS. l[imac]c body. See Like, a.]
   A dead body; a corpse. [Obs.]
   [1913 Webster]
   Lich fowl (Zool.), the European goatsucker; -- called also
      lich owl.
   Lich gate, a covered gate through which the corpse was
      carried to the church or burial place, and where the bier
      was placed to await the clergyman; a corpse gate. [Prov.
      Eng.] --Halliwell.
   Lich wake, the wake, or watching, held over a corpse before
      burial. [Prov Eng.] --Chaucer.
   Lich wall, the wall of a churchyard or burying ground.
   Lich way, the path by which the dead are carried to the
      grave. [Prov. Eng.]
      [1913 Webster]