Source : Webster's Revised Unabridged Dictionary (1913)

Pease \Pease\, n.; obs.pl. {Peases}, {Peasen}. [See {Pea}.]
   1. A pea. [Obs.] ``A peose.'' ``Bread . . . of beans and of
      peses.'' --Piers Plowman.

   2. A plural form of {Pea}. See the Note under {Pea}.