decamp \decamp"\, v. i. imp.  p. p. decamped ?; 215; p.
   pr.  vb. n. decamping. f. d'ecamper; pref. d'e- l.
   dis + camp camp. see camp.
   1. to break up a camp; to move away from a camping ground,
      usually by night or secretly. --macaulay.
      1913 webster

   2. hence, to depart suddenly; to run away; -- generally used
      disparagingly.
      1913 webster

            the fathers were ordered to decamp, and the house
            was once again converted into a tavern. --goldsmith.
      1913 webster
see also:
decamped decamping camp