Meaning of International Orange

In'terna'tional Or'ange

Pronunciation: [key]
— Naut. Naut.
  1. a shade of bright orange, highly visible at a great distance and in murky weather, used to color aircraft, airport towers and hangars, boats, etc., for safety or rescue purposes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.