The Collaborative International Dictionary of English v.0.48:

Dees \Dees\ (d[=e]s), n. pl.
   Dice. [Obs.] --Chaucer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dees \Dees\, n.
   A dais. [Obs.] --Chaucer.
   [1913 Webster]