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Meaning of ECHELON

Pronunciation:  'eshu`lân

WordNet Dictionary
  1. [n]  a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
  2. [n]  a body of troops arranged in a line

ECHELON is a 7 letter word that starts with E.


 See Also: diffraction grating, force, grating, military force, military group, military unit



Webster's 1913 Dictionary
  1. \Ech"e*lon\ ([e^]sh"e*l[o^]n), n. [F., fr. ['e]chelle
    ladder, fr. L. scala.]
    1. (Mil.) An arrangement of a body of troops when its
       divisions are drawn up in parallel lines each to the right
       or the left of the one in advance of it, like the steps of
       a ladder in position for climbing. Also used adjectively;
       as, echelon distance. --Upton (Tactics).
    2. (Naval) An arrangement of a fleet in a wedge or V
       formation. --Encyc. Dict.
    {Echelon lens} (Optics), a large lens constructed in several
       parts or layers, extending in a succession of annular
       rings beyond the central lens; -- used in lighthouses.
  2. \Ech"e*lon\, v. t. (Mil.)
    To place in echelon; to station divisions of troops in
  3. \Ech"e*lon\, v. i.
    To take position in echelon.
          Change direction to the left, echelon by battalion from
          the right.                               --Upton
Thesaurus Terms
 Related Terms: battle array, caste, class, close formation, condition, deployment, disposition, file, footing, formation, formation flying, hierarchy, open order, order, order of battle, place, position, power structure, precedence, queue, rank, rate, rating, row, sphere, stage, standing, station, status, string, tier