Definitions for

Overview of noun echelon

The noun echelon has 2 senses? (no senses from tagged texts)
1. echelon

(a body of troops arranged in a line)

2. echelon

(a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset) © 2001-2013, Demand Media, all rights reserved. The database is based on Word Net a lexical database for the English language. see disclaimer
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