de·camp (d?-k?mp?)intr.v. de·camped, de·camp·ing, de·camps 1. To depart secretly or suddenly.2. To depart from a camp or camping ground.[French décamper, from Old French descamper, to strike camp : des-, de- + camper, to camp (from camp, camp; see camp1).]de·camp?ment n.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.decamp (d??kæmp) vb (intr) 1. to leave a camp; break camp2. to depart secretly or suddenly; abscond de?campment nCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014de?camp (d??kæmp) v.i. 1. to pack up equipment and leave a camping ground. 2. to depart hastily and secretly. [1670?80;