[1] : The Collaborative International Dictionary of English v.0.48

yankee-doodle \yan`kee-doo"dle\, n.
   1. the name of a tune adopted popularly as one of the
      national airs of the united states.
      1913 webster

   2. humorously, a yankee.
      1913 webster

            we might have withheld our political noodles
            from knocking their heads against hot
            yankee-doodles.                       --moore.
      1913 webster

[2] : WordNet (r) 2.0

yankee-doodle
     n : an american syn: yankee, yank
see also:
yankee yank 

Yankee-Doodle >> Y Words
Yankee-Doodle, definition of term: Yankee-Doodle
yankee-doodle_pag1.html