a stanza consisting of two rhyming lines in iambic pentameter, especially one forming a rhetorical unit and written in an elevated style, as, Know then thyself, presume not God to scan / The proper study of Mankind is Man.
Origin of heroic couplet
First recorded in 1900–05
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British Dictionary definitions for heroic couplet
prosody a verse form consisting of two rhyming lines in iambic pentameter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012