The definition of Gestapo was the German Secret Police during Nazi rule.
(noun)Secret military police that would come and take away people who opposed the Nazis are an example of the Gestapo.
See Gestapo in Webster's New World College Dictionary
noun
Origin: < Ger Ge(heime) Sta(ats)po(lizei), secret state police
See Gestapo in American Heritage Dictionary 4
noun
Origin:
Origin: German Ge(heime) Sta(ats)po(lizei), secret state police
Origin: : geheim, secret
Origin: + Staat, state
Origin: + Polizei, police
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