Mas·e·lyn n. A drinking cup. See 1st Maslin, 2. [Obs.]
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  Mas·lin n.
  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.]
  2. A vessel made of maslin, 1 (a). [Obs.]
     Mead eke in a maselyn.   --Chaucer.