dragon's blood
noun
: any of several resinous mostly dark-red plant products
specifically : a resin from the fruit of a palm (genus Daemonorops) used for coloring varnish and in photoengraving
Example Sentences
Recent Examples on the Web Her bar soaps feature a range of scents, including deep woods, Tahitian gardenia and dragon's blood. 
Eddie Morales, Milwaukee Journal Sentinel, 16 July 2021 Today, the museum's collection has some 15,000 objects ranging from potion ingredients such as dragon's blood, mandrake root and lavender (Harry Potter fans will love it) to a particularly frightening blood-letting device. Patti Nickell, Dallas News, 30 July 2019
Eddie Morales, Milwaukee Journal Sentinel, 16 July 2021 Today, the museum's collection has some 15,000 objects ranging from potion ingredients such as dragon's blood, mandrake root and lavender (Harry Potter fans will love it) to a particularly frightening blood-letting device. Patti Nickell, Dallas News, 30 July 2019 Word History
First Known Use
circa 1598, in the meaning defined above