tristich definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a group or stanza of three lines of verse; triplet
Origin: tri- plush (di)stich
tristich definition by American Heritage Dictionary
A strophe, stanza, or poem consisting of three lines.
Origin: tri- + (di)stich.