pep·per·mint (p?p??r-m?nt?)n.1. A hybrid perennial plant (Mentha ×piperita) in the mint family, having small purple or white flowers and downy leaves that yield a pungent oil used as a flavoring and in some medicinal preparations.2. A candy or lozenge flavored with oil from this plant.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.peppermint (?p?p??m?nt) n1. (Plants) a temperate mint plant, Mentha piperita, with purple or white flowers: cultivated for its downy leaves, which yield a pungent oil2. (Cookery) the oil from this plant, which is used as a flavouring3. (Cookery) a sweet flavoured with peppermintCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014pep?per?mint (?p?p ?r?m?nt, -m?nt) n. 1. an aromatic herb, Mentha piperita, of the mint family, having lance-shaped leaves and spikes of purplish flowers. 2. the pungent oil of this plant, used as a flavoring. 3. a lozenge or confection flavored with peppermint. [1690?1700] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.