am·per·sand (?m?p?r-s?nd?)n. The character or sign (&) representing the word and.[Alteration of and per se and, & (the sign) by itself (means) and.]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.ampersand (?æmp??sænd) or amperzandn (Printing, Lithography & Bookbinding) the character (&), meaning and: John Brown & Co. [C19: shortened from and per se and, that is, the symbol & by itself (represents) and]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014am?per?sand (?æm p?r?sænd) n. a character or symbol (&) for and, as in Smith & Jones, Inc. [1820?30; contraction of and per se and literally, (the symbol) & by itself (stands for) and] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.ampersandA character (&) used in printing and writing to represent ?and.?Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited