[syn: reduplication, reiteration]
The Collaborative International Dictionary of English v.0.48:
Reduplication \Re*du`pli*ca"tion\ (-k?sh?n), n. [Cf. F.
   r['e]duplication, L. reduplicatio repetition.]
   1. The act of doubling, or the state of being doubled.
      [1913 Webster]
   2. (Pros.) A figure in which the first word of a verse is the
      same as the last word of the preceding verse.
      [1913 Webster]
   3. (Philol.) The doubling of a stem or syllable (more or less
      modified), with the effect of changing the time expressed,
      intensifying the meaning, or making the word more
      imitative; also, the syllable thus added; as, L. tetuli;
      poposci.
      [1913 Webster]
WordNet (r) 3.0 (2006):
reduplication
    n 1: repetition of the final words of a sentence or line at the
         beginning of the next [syn: anadiplosis, reduplication]
    2: the syllable added in a reduplicated word form
    3: a word formed by or containing a repeated syllable or speech
       sound (usually at the beginning of the word)
    4: the act of repeating over and again (or an instance thereof)
       [syn: reduplication, reiteration]