coral coral /ˈkɔrəl/

adjective

1. Of a strong pink to yellowish-pink color  ( coral )
   of a strong pink to yellowish-pink color
   

noun

1. () A variable color averaging a deep pink  ( coral )
   a variable color averaging a deep pink
   
2. Marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefs  ( coral )
   marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefs
    Coral reefs are essential ecosystems that support diverse marine life.
   Coral reefs are essential ecosystems that support diverse marine life.
   
   
3. Unfertilized lobster roe; reddens in cooking; used as garnish or to color sauces  ( coral )
   unfertilized lobster roe; reddens in cooking; used as garnish or to color sauces
   
4. The hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelry  ( coral , precious coral , red coral )
   the hard stony skeleton of a Mediterranean coral that has a delicate red or pink color and is used for jewelry