a member of a fascist organization, especially the Italian Fascist militia, wearing a black shirt as part of the uniform.
Origin of Black Shirt
First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
1922, member of Fasci di Combattimento, Italian paramilitary unit founded 1919 by Mussolini; so called for their uniforms.
Online Etymology Dictionary, © 2010 Douglas Harper