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crown of thorns

Definition of crown of thorns

  1. :  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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First Known Use of crown of thorns

1964

Learn More about crown of thorns

  1. Britannica.com: Encyclopedia article about crown of thorns

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