What does the word outline mean?

Usage examples for outline

  1. She rose to her feet, and he saw the dim outline of her graceful figure, even a vision of her white, tear- stained face. – The New Tenant by E. Phillips Oppenheim
  2. But the outline of so vast a subject must content us here. – Irish Race in the Past and the Present by Aug. J. Thebaud
  3. It is impossible by any abstract or outline to do justice to the laborious ability with which this argument is sustained. – Memoir of the Life of John Quincy Adams. by Josiah Quincy