Source : Webster's Revised Unabridged Dictionary (1913)

Polysyndeton \Pol`y*syn"de*ton\, n. [NL., from Gr. poly`s many +
   ? bound together, fr. ? to bind together; ? with + ? to
   bind.] (Rhet.)
   A figure by which the conjunction is often repeated, as in
   the sentence, ``We have ships and men and money and stores.''
   Opposed to {asyndeton}.

Source : WordNet®

polysyndeton
     n : using several conjunctions in close succession, especially
         where some might be omitted (as in `he ran and jumped and
         laughed for joy')