I. ˈkau̇ntə(r)+ˌ- noun
Etymology: counter- + march (noun)
: a marching back ; specifically : a march by troops back over ground recently passed over : an evolution by which a unit reverses direction while marching but keeps the same order
II. | ̷ ̷ ̷ ̷+ intransitive verb
Etymology: counter- + march (v.)
: to march back ; specifically : execute a countermarch