What Is Echelons

echelon (noun) echelon / ˈ ɛʃəˌlɑːn/ noun plural echelons Britannica Dictionary definition of ECHELON [count] : a level in an organization : a level of authority or responsibility echelon (ˈɛʃəˌlɒn) n 1. a level of command, responsibility, etc (esp in the phrase the upper echelons) An echelon is a military term that refers to a level or rank within a hierarchy. In a military context, echelons are used to organize and coordinate units of troops or commands. a level of command, authority, or rank: the upper echelons of the administration. Military a steplike formation, as of troops, ships, or planes. ech•e•lon (esh′ ə lon′), n. a level of command, authority, or.