tryst (tr?st)n.1. An agreement between lovers to meet at a certain time and place.2. A usually private meeting or meeting place that has been agreed on by lovers. See Synonyms at engagement.intr.v. tryst·ed, tryst·ing, trysts To keep a tryst.[Middle English trist, from Old French triste, a waiting place (in hunting); see deru- in Indo-European roots.]tryst?er n.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.tryst (tr?st; tra?st) n1. an appointment to meet, esp secretly2. the place of such a meeting or the meeting itselfvb (intr) to meet at or arrange a tryst[C14: from Old French triste lookout post, apparently of Scandinavian origin; compare Old Norse traust trust] ?tryster nCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014tryst (tr?st, tra?st) n. 1. an appointment to meet at a certain time and place, esp. one made secretly by lovers. 2. an appointed meeting. 3. Also called tryst?ing place`. an appointed place of meeting. v.i. 4. to arrange a tryst. [1325?75; Middle English triste set hunting-station