Meaning of outrunner

out•run•ner

Pronunciation: (out'run"ur), [key]
— n.
  1. a person or thing that runs ahead or outside.
  2. an attendant who runs before or beside a carriage.
  3. the leader of a team of dogs.
  4. a forerunner.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.