Definition of Red Crescent
1
: a red crescent on a white background used in Islamic countries as the emblem of the International Federation of Red Cross and Red Crescent Societies
2
: a humanitarian aid society in an Islamic country that is a member of the International Federation of Red Cross and Red Crescent Societies and has adopted a white flag with a red crescent as its symbol of neutrality;
also
: such aid societies thought of collectively — compare red cross
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