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:

Mastlin \Mast"lin\ (m[a^]st"l[i^]n), n.
   See Maslin.
   [1913 Webster]