hendecasyllable

• endecasyllable (common misspelling)

Borrowed from Latin hendecasyllabus, from Ancient Greek ἑνδεκασύλλαβος (hendekasúllabos); equivalent to hendeca- +‎ syllable.

• (Received Pronunciation) enPR: hĕn'dĭkəsĭʹləbl, hĕndĕ'kəsĭʹləbl, IPA^(key): /ˌhɛndɪkəˈsɪləbl/, /hɛnˌdɛkəˈsɪləbl/

• Audio (US):

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hendecasyllable (plural hendecasyllables)

1. (chiefly prosody) A line, verse, or word that comprises eleven syllables.

• monosyllable
• disyllable
• trisyllable
• tetrasyllable
• pentasyllable
• sexisyllable
• heptasyllable
• octosyllable
• enneasyllable
• decasyllable
• dodecasyllable
• polysyllable

• hendecasyllabic

• “hendecasyllable” listed in the Oxford English Dictionary [2^nd Ed.; 1989]