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n. pl. mar·che·si (-zē)
1. An Italian nobleman ranking above a count and below a prince.
2. Used as the title for such a nobleman.
[Italian, from Medieval Latin (comēs) marcēnsis, (count) of the border, from marca, border region, of Germanic origin; see merg- in Indo-European 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.
n, pl -si (-zi)
(Government, Politics & Diplomacy) (in Italy) a nobleman ranking below a prince and above a count; marquis
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n., pl. -si (-zē).
an Italian nobleman equivalent in rank to a marquis.
[1510–20; < Italian; see marquis]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.