Definition of "trisyllabic" [tris•yl•lab•ic]

• Having three syllables (adjective)
• A word comprised of three syllables (noun)

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• "That verse wherein the accent falls on every third syllable, may be called trisyllabic verse; it is equivalent to what has been called anapestic; and we will still use the term anapest to express two unaccented and one accented syllable."
• "He wrote the book, and much of the rest of his life's work, in rhyming anapestic meter, also called trisyllabic meter."
• "Plus, it just sounds better as a trisyllabic epithet."