1 : a representation of something in outline; especially : a human head or face represented or seen in a side view
2 : an outline seen or represented in sharp relief : CONTOUR
3 : a side or sectional elevation: as a : a drawing showing a vertical section of the ground b : a vertical section of a soil from the ground surface to the underlying unweathered material
4 : a set of data often in graphic form portraying the significant features of something <a corporation's earnings profile>; especially : a graph representing the extent to which an individual exhibits traits or abilities as determined by tests or ratings
5 : a concise biographical sketch
6 : degree or level of public exposure <trying to keep a low profile> <a job with a high profile>
synonym see OUTLINE

From http://www.m-w.com/cgi-bin/dictionary