noun
1. : any of numerous flat circular sea urchins of the order Exocycloida which live on sandy bottoms (as Echinarachnius parma of the American coast)
2. : star cactus
noun
1. : any of numerous flat circular sea urchins of the order Exocycloida which live on sandy bottoms (as Echinarachnius parma of the American coast)
2. : star cactus
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012