RhymeZone: feldgrau definitions

Definitions of feldgrau:

noun: (uncountable) The greenish-grey colour of German military uniforms.
noun: (countable) A German soldier who wears a uniform of this colour.
noun: (uncountable, historical) The color of the field uniform of the German Army from late 1907 until 1945.

(Definitions from Wiktionary)