Definition of iron curtain
1 : an impenetrable barrier <the iron curtain between the ego and the unconscious — C. J. Rolo>
2 : a political, military, and ideological barrier that cuts off and isolates an area; specifically often capitalized : one formerly isolating an area under Soviet control
First Known Use of iron curtain
Learn More about iron curtain
Britannica.com: Encyclopedia article about "iron curtain"
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