Definition of "dragon's blood" []

• 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. (noun)
• Any of several resins similar to this substance. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.