mosquito netn. A fine net or screen used to keep mosquitoes from entering an area.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.mosquito net or mosquito nettingn (Textiles) a fine curtain or net put in windows, around beds, etc, to keep mosquitoes outCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014mosqui?to net` n. a screen, curtain, or canopy of net, gauze, or the like, for keeping out mosquitoes. [1735?45] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.