WordWeb Online

1. The line that appears to bound an object
   - lineation
    
2. A sketchy summary of the main points of an argument or theory
   - synopsis, abstract, précis
    
3. A schematic or preliminary plan
   - schema, scheme

1. Describe roughly or briefly or give the main points or summary of
   "sketch the outline of the book"; "outline his ideas";
   - sketch, adumbrate
    
2. Draw up an outline or sketch for something
   "outline a speech";
   - draft
    
3. Trace the shape of
   - delineate, limn

Derived forms: outlines, outlined, outlining

Type of: bound, boundary, bounds, compose, depict, describe, draw, indite [archaic], pen, plan, program, programme [Brit, Cdn], summary, sum-up, write

Encyclopedia: Outline