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.
From Wikipedia, the free encyclopedia. Curtain wall may refer to: 1  Curtain wall (architecture), the outer skin of a modern building.  Curtain wall (fortification), the outer wall of a castle or defensive wall between two bastions.