Countermarch \Coun`ter*march"\ (koun`t?r-m?rch"), v. i. [imp. & p. p. {Countermarched} (-m?rcht"); p. pr. & vb. n. {Countermarching}.] (Mil.) To march back, or to march in reversed order. The two armies marched and countermarched, drew near and receded. --Macaulay.