crown of thorns
Definition of crown of thorns
: a starfish (Acanthaster planci) of the Pacific region that is covered with long spines and feeds on coral polyps sometimes causing destruction of coral reefs —called also crown-of-thorns starfish
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1964
First Known Use of crown of thorns
1964
Learn More about crown of thorns
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Britannica.com: Encyclopedia article about crown of thorns
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