What is a word of many syllables, or consisting of more syllables than three; -- words of less than four syllables being called monosyllables, dissyllables, and trisyllables called?

polysyllable — A word of many syllables, or consisting of more syllables than three; -- words of less than four syllables being called monosyllables, dissyllables, and trisyllables. (Webster's 1913.)

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