D-day (d??d??)n.1. The unnamed day on which an operation or offensive is to be launched.2. The day on which the Allied forces invaded France during World War II (June 6, 1944).[D (abbr. of day) + day.]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.D-day n 1. (Historical Terms) the day, June 6, 1944, on which the Allied invasion of Europe began 2. the day on which any large-scale operation is planned to start [C20: from D(ay)-day; compare H-hour]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014D-day or D-Day (?di?de?) n. 1. a day set for beginning something. 2. June 6, 1944, the day of the invasion of W Europe by Allied forces in World War II. [1915?20; Dutch (for day) + day] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.D-daySee: times.Dictionary of Military and Associated Terms. US Department of Defense 2005.
D-day
D Day
D-day (d??d??)n.1. The unnamed day on which an operation or offensive is to be launched.2. The day on which the Allied forces invaded France during World War II (June 6, 1944).[D (abbr. of day) + day.]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.D-day n 1. (Historical Terms) the day, June 6, 1944, on which the Allied invasion of Europe began 2. the day on which any large-scale operation is planned to start [C20: from D(ay)-day; compare H-hour]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014D-day or D-Day (?di?de?) n. 1. a day set for beginning something. 2. June 6, 1944, the day of the invasion of W Europe by Allied forces in World War II. [1915?20; Dutch (for day) + day] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.D-daySee: times.Dictionary of Military and Associated Terms. US Department of Defense 2005.