D defs.my
Entry 2 senses Webster, 1913

Decamp

/dək-ămp'/ · De·camp · IPA /diːˈkæmp/
01 v. i. To break up a camp; to move away from a camping ground, usually by night or secretly.
imp. & p. p. Decamped; p. pr. & vb. n. Decamping
  1. 1.
    To break up a camp; to move away from a camping ground, usually by night or secretly.
  2. 2.
    Hence, to depart suddenly; to run away; -- generally used disparagingly.
    “The fathers were ordered to decamp, and the house was once again converted into a tavern.” Goldsmith.