cor·al·line 
(kôrə-lĭn, -līn′, kŏr-)
(kôrə-lĭn, -līn′, kŏr-)adj.
1. Of, consisting of, or producing coral.
2. Resembling coral, especially in color.
n.
1. Any of various red algae of the family Corallinaceae whose fronds are covered with calcareous deposits.
2. Any of various organisms that resemble coral, such as certain bryozoans.
[French corallin, from Late Latin corallīnus, from Latin corallium, coral; see CORAL.]