net asset valuen. Abbr. NAV The market value of all securities owned by a mutual fund, minus its total liabilities, divided by the number of shares issued.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.net asset value n (Accounting & Book-keeping) the total value of the assets of an organization less its liabilities and capital charges. Abbreviation: NAV Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014net? as?set val`ue n. the price of a share in a mutual fund, equal to the total value of the fund’s securities divided by the number of shares outstanding. Abbr.: NAVRandom House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.