The Collaborative International Dictionary of English v.0.48:

Maslin \Mas"lin\, a.
   Composed of different sorts; as, maslin bread, which is made
   of rye mixed with a little wheat. [Written also meslin,
   mislin, etc.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Maslin \Mas"lin\, n. [OE. missellane, misceline, miscelin,
   meslin, fr. miscellane. See Miscellane.]
   1. A mixture composed of different materials; especially:
      (a) A mixture of metals resembling brass.
      (b) A mixture of different sorts of grain, as wheat and
          rye. [Written also meslin, mislin, maselyn,
          mastlin.]
          [1913 Webster]

   2. A vessel made of maslin, 1
      (a) . [Obs.]
          [1913 Webster]

                Mead eke in a maselyn.            --Chaucer.
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mislin \Mis"lin\, n. & a.
   See Maslin.
   [1913 Webster]