Definition of octosyllable in English:

octosyllable

noun

  • A word or line of verse with eight syllables.

    • ‘Meyer's version employs a spare free verse that is very Ibsenish, even though Ibsen composed here in rhymed octosyllables!’

Pronunciation

octosyllable

/ˈäktōˌsiləb(ə)l//ˈɑktoʊˌsɪləb(ə)l/