Definition of decasyllable in English:

decasyllable

noun

  • A metrical line of ten syllables.

    • ‘Each line of ‘I mari del Sud’ begins with a decasyllable composed of three anapestic feet.’
    • ‘While most sonnets conform to the usual rules of prosody, with their decasyllables and 14 rhymed lines, there are exceptions throughout the set.’
    • ‘The division into two quartets followed by two tercets, a consistent rhyme scheme and the decasyllable stand out as these sonnets’ most obvious formal features.’
    • ‘Most of Shakespeare's lines conform to the normal type of the decasyllable, and the rest are accounted for by familiar and rational rules of variation.’
    • ‘The form of the poem, or rather the form of the line, is one I come back to again and again: decasyllables.’

Pronunciation

decasyllable

/ˈdɛkəˌsɪləb(ə)l/