the Iron Curtain

:  something made of iron: such as

:  shackles for the hands or legs

:  a heated metal implement used for branding or cauterizing

:  of, relating to, or made of iron

:  resembling iron

:  strong and healthy :  robust

:  to furnish or cover with iron

:  to shackle with irons

:  to smooth with or as if with a heated iron

:  a hanging screen usually capable of being drawn back or up

:  window drapery

:  a device or agency that conceals or acts as a barrier — compare iron curtain

:  to furnish with or as if with curtains

:  to veil or shut off with or as if with a curtain