tsa·de (tsä?d?, -d?)n. Variant of sadhe.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.tsade (?ts??di?; ?s??-; Hebrew ?tsadi) n (Letters of the Alphabet (Foreign)) a variant spelling of sadheCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014