Meaning of crown-of-thorns starfish

crown'-of-thorns' star"fish

Pronunciation: (kroun'uv-thôrnz'), [key]
  1. a starfish, Acanthaster planci, that feeds on living coral polyps, causing erosion and destruction of coral reefs. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.