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

frankfurter \frank"furter\
   a small cooked sausage of beef or beef and pork, usually 5 to
   6 inches, sometimes as long as 12 inches in length; called
   also frankforter, frankfort, frankfurt. it is commonly
   eaten on a roll, called a hot dog bun.

   syn: wiener, hot dog1.
        pjc
see also:
frankforter frankfort frankfurt 

[2] : WordNet (r) 2.0

frankfurter
     n : a smooth-textured sausage of minced beef or pork usually
         smoked; often served on a bread roll syn: frank, hotdog,
          hot dog, dog, wiener, wienerwurst, weenie
see also:
frank hotdog hot dog dog wiener wienerwurst 
weenie 

[3] : Moby Thesaurus II by Grady Ward, 1.0

21 moby thesaurus words for "frankfurter":
   vienna sausage, bangers, black pudding, blood pudding, bologna,
   braunschweiger, dog, frank, gooseliver, headcheese, hot dog,
   knockwurst, liver sausage, liverwurst, salami, saucisse, sausage,
   weenie, wiener, wienerwurst, wienie

Frankfurter >> F Words
Frankfurter, definition of term: Frankfurter
frankfurter_pag1.html