Source : Webster's Revised Unabridged Dictionary (1913)

Double dealing \Dou"ble deal"ing\
   False or deceitful dealing. See {Double dealing}, under
   {Dealing}. --Shak.

Dealing \Deal"ing\, n.
   The act of one who deals; distribution of anything, as of
   cards to the players; method of business; traffic;
   intercourse; transaction; as, to have dealings with a person.

   {Double dealing}, insincere, treacherous dealing; duplicity.
      

   {Plain dealing}, fair, sincere, honorable dealing; honest,
      outspoken expression of opinion.