1. a deep-red, water-insoluble resin exuding from the fruit of a palm, Daemonorops draco, of the Malay Archipelago, used chiefly in the preparation of varnishes and in photoengraving for protecting certain areas of the metal plate from the acid.
2. any of various similar resins from other trees.
3. See Pompeian red.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.