hendecasyllabic

/ˌhɛndɪkəsɪˈlæbɪk/
adjective
  1. Having eleven syllables in a line of verse.
    • The poet wrote a hendecasyllabic line for the sonnet.
    • Students analyzed the hendecasyllabic meter in Catullus's poem.
    • Her favorite verse form was the hendecasyllabic line used in Italian poetry.