zi·zith (ts?-ts?t?, ts?t?s?s)pl.n. Judaism Variant of tzitzit.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.zizith (?ts?ts?s; tsi??tsi?t) n (Judaism) (functioning as singular or plural) Judaism a variant spelling of tsitsithCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014zi?zith tzi?tzith (?ts?t s?s, tsi?tsit) n.pl. Judaism. the fringes or tassels formerly worn on the outer garment and now worn at the four corners of the tallith. [1670?80;