Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun red_coral

2 senses of red coral

Sense 1
coral, red coral, precious coral -- (the hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelry)
       => opaque gem -- (a gemstone that is opaque)

Sense 2
red coral -- (corals of especially the Mediterranean having pink or red color used for ornaments and jewelry)
       => gorgonian, gorgonian coral -- (corals having a horny or calcareous branching skeleton)