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A red, resinous substance obtained from various plants, especially the trunks of dragon trees and the fruits of climbing palms of the genus Daemonorops of tropical Asia, formerly used in the manufacture of varnishes and lacquers.
1. (Chemical Engineering) a red resinous substance obtained from the fruit of a Malaysian palm, Daemonorops (or Calamus) draco: formerly used medicinally and now used in varnishes and lacquers
2. (Botany) any of several similar resins obtained from other trees, esp from the dragon tree and a related species, Dracaena cinnabari (Socotra dragon's blood dracaena)
a deep-red, water-insoluble resin obtained from various tropical plants, esp. a Malaysian palm, Daemonorops draco, used in varnishes and in photoengraving.