https://www.sparknotes.com/shakespeare/life-and-times/glossary-of-terms/heroic-couplet/
William Shakespeare's Life and Times: Heroic Couplet | SparkNotes
A couplet refers to two lines of equal length that rhyme and that, together, form a complete thought. A heroic couplet is a couplet written in iambic...
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https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/heroic-couplet
heroic couplet | Encyclopedia.com
heroic couplet: see pentameter. Source for information on heroic couplet: The Columbia Encyclopedia, 6th ed. dictionary.
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