1. (n.) The act of doubling, or the state of being doubled.

2. (n.) A figure in which the first word of a verse is the same as the last word of the preceding verse.

3. (n.) 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.

Doppelganger actual thing apograph carbon copy dead ringer ditto double duplicate equivalent exact counterpart facsimile fiche homograph homonym homophone idem identical same manifold microcopy microfiche microform no other none other recording reduplication replica replication rubbing selfsame spit and image spitting image synonym tenor the same the same difference tracing transcript transcription transfer twin very image very same