nounWord forms: plural portˈmanteaus or portˈmanteaux (pɔrtˈmæntoʊz
; pôrtmanˈtōz; ˌpɔrtmæntoʊz
a traveling case or bag; esp., a stiff leather suitcase that opens like a book into two compartments
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.