noun
: a massive coral ( Heliopora coerulea ) with a lamellated calcareous skeleton colored blue by iron salts that is widely distributed in the Indian and southwest Pacific oceans and is the sole recent form of a once abundant order (Coenothecalia)
noun
: a massive coral ( Heliopora coerulea ) with a lamellated calcareous skeleton colored blue by iron salts that is widely distributed in the Indian and southwest Pacific oceans and is the sole recent form of a once abundant order (Coenothecalia)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012