Decamp \De*camp"\, v. i. [imp. & p. p. {Decamped} (?; 215); p. pr. & vb. n. {Decamping}.] [F. d['e]camper; 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. 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.