any of several red, resinous substances obtained from various tropical plants and trees, esp. a Malaysian palm tree (Daemonorops draco), and used for coloring varnishes and in photoengraving
See dragon's blood in American Heritage Dictionary 4
(drăgˈənz)
noun
A red, resinous substance obtained from the fruit of a climbing palm (Daemonorops draco) of tropical Asia, formerly used in the manufacture of varnishes and lacquers.