red coral

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Any of several corals of the genus Corallium, especially C. rubrum of the Mediterranean Sea, having a hard red skeleton that is valued for making jewelry and ornaments.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun corals of especially the Mediterranean having pink or red color used for ornaments and jewelry
• noun the hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelry