corals having calcareous skeletons aggregations of which form reefs and islands
European bittercress having a knotted white rootstock
of a strong pink to yellowish-pink color
marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefs
hard as granite
unfertilized lobster roe; reddens in cooking; used as garnish or to color sauces
the hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelry
