Mar·ra·no (m?-rä?n?)n. pl. Mar·ra·nos Offensive Used as a disparaging term for a Converso.[Spanish, pig, Marrano (from the Jewish prohibition against eating pork), probably from Arabic ma?ram, something forbidden, from ?arama, to forbid; see x?rm in Semitic roots.]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.Marrano (m??r??n??) n, pl -nos (Judaism) a Spanish or Portuguese Jew of the late Middle Ages who was converted to Christianity, esp one forcibly converted but secretly adhering to Judaism[from Spanish, literally: pig, with reference to the Jewish prohibition against eating pig meat]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Mar?ra?no (m??r? no?) n., pl. -nos. a Spanish or Portuguese Jew forced to convert to Christianity during the late Middle Ages. [