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Meaning of running room

run'ning room"

Pronunciation: [key]
  1. the space between a racer and the nearby competitors in a running race, esp. enough to run and maneuver as desired.
  2. the space or leeway permitting ample freedom and flexibility to operate, maneuver, or perform without impairment.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.