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

apple pie \ap"ple pie`\
   a pie made of apples usually sliced or stewed with spice
   and sugar.
   1913 webster

   apple-pie bed, a bed in which, as a joke, the sheets are so
      doubled like the cover of an apple turnover as to
      prevent any one from getting at his length between them.
      --halliwell --conybeare.

   apple-pie order, perfect order or arrangement. colloq.
      --halliwell.
      1913 webster
see also:
apple-pie bed apple-pie order 

[2] : WordNet (r) 2.0

apple pie
     n : pie with a top crust containing sliced apples and sugar

Apple Pie >> A Words
Apple Pie, definition of term: Apple Pie
apple+pie_pag1.html

Apple >> A Words
Apple, definition of term: Apple
apple_pag1.html

Apple Sauce >> A Words
Apple Sauce, definition of term: Apple Sauce
apple+sauce_pag1.html

Apple Butter >> A Words
Apple Butter, definition of term: Apple Butter
apple+butter_pag1.html

Apple Tree >> A Words
Apple Tree, definition of term: Apple Tree
apple+tree_pag1.html

Adams Apple >> A Words
Adams Apple, definition of term: Adams Apple
adams+apple_pag1.html

Apple Of Discor >> A Words
Apple Of Discor, definition of term: Apple Of Discor
apple+of+discor_pag1.html