DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Maat \Maat\, a. [See Mate, a.]
      Dejected; sorrowful; downcast. [Obs.] "So piteous and so
      maat." --Chaucer.
      [1913 Webster]