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.
Analogous terms. 1  An analogue of the Iron Curtain, the Bamboo Curtain, surrounded the People's Republic of China. As the standoff between the West and the countries of the Iron and Bamboo curtains eased with the end of the Cold War, the term fell out of any but historical usage.