Definition of brass hat in English:

brass hat

Syllabification: brass hat

noun

informal
  • A high-ranking officer in the armed forces.
    More example sentences
    • They are basically trading casualties one-for-one with the regime loyalists which, as any brass hat will tell you, ain't no way to win at counter-insurgency.
    • A small state with limited resources cannot afford to feed the army of bureaucrats and brass hats of the police.
    • The brass hats are furious that an operational matter should be kicked around like a football across the House of Commons chamber.

Origin

late 19th century: so named because of the gilt insignia on the caps of such officers.

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