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noun oc·to·syl·la·ble \ˈäk-tə-ˌsi-lə-bəl, ˌäk-tə-ˈ\

Definition of octosyllable

  1. :  a word or line of eight syllables

Circa 1846

First Known Use of octosyllable

circa 1846

Rhymes with octosyllable

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