The Collaborative International Dictionary of English v.0.48:

Trais \Trais\, Trays \Trays\, n. pl.
   Traces. [Obs.]
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         Four white bulls in the trays.           --Chaucer.
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The Collaborative International Dictionary of English v.0.48:

Trays \Trays\, n. pl. [Obs.]
   See Trais. --Chaucer.
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The Collaborative International Dictionary of English v.0.48:

Tray \Tray\, n.; pl. Trays. [OE. treye, AS. treg. Cf.
   Trough.]
   1. A small trough or wooden vessel, sometimes scooped out of
      a block of wood, for various domestic uses, as in making
      bread, chopping meat, etc.
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   2. A flat, broad vessel on which dishes, glasses, etc., are
      carried; a waiter; a salver.
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   3. A shallow box, generally without a top, often used within
      a chest, trunk, box, etc., as a removable receptacle for
      small or light articles.
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