Cagliostro (Italian ka???ostro) n (Biography) Count Alessandro di (ales?sandro di), original name Giuseppe Balsamo. 1743?95, Italian adventurer and magician, who was imprisoned for life by the Inquisition for his association with freemasonryCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Ca?glios?tro (kæl?yo? stro?) n. Count Alessandro di, (Giuseppe Balsamo), 1743?95, Italian adventurer and impostor. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.