Definition of "sestet" [ses•tet]

• A group of six lines of poetry, especially the last six lines of a Petrarchan sonnet. (noun)
• A poem or stanza containing six lines. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Notice the ways in which the problem/argument is posited in the octave and the solution/response is presented in the sestet; moreover, to further the problem/argument, Hopkins relies heavily upon cacophony in the octave but turns heavily to euphony in the sestet."
• "Great Regulars: The sonnet is powered by the momentum established in the sestet, and somehow maintains the intensity of its indignation through the weaker octet--because the political emotion is genuine."
• "And he ends the sestet by mentioning the mundane work he wants to abandon for the sublime enjoyment of the warm, spring day."