The definition of a tutor is a personal teacher, a teaching assistant or someone who helps a student catch up in a subject. An example of a tutor is someone who teaches a teenage celebrity. An example of a tutor is a teacher who assists a college professor with their teaching duties.
iron curtain-an impenetrable barrier to communication or information especially as imposed by rigid censorship and secrecy; used by Winston Churchill in 1946 to describe the demarcation between democratic and communist countries.
Former Prime Minister Winston Churchill coined the term iron curtain in a speech given in Mussouri. IN this speech he said that Stalin had drawn an iron curtain that separated Easter Europe from the Western world. He also urged the Western World to liberate the enslaved people of Eastern Europe from Communism.