[n] the act of repeating over and again (or an instance thereof)
[n] a word formed by or containing a repeated syllable or speech sound (usually at the beginning of the word)
[n] the syllable added in a reduplicated word form
[n] repetition of the final words of a sentence or line at the beginning of the next
\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.
2. (Pros.) A figure in which the first word of a verse is the same as the last word of the preceding verse.
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.