Definition of coralline:
(adj) :
Of, pertaining to, or resembling the material coral.
(adj) :
Of, relating to or pertaining to or resembling red algae of the family Corallinaceae.
(n) :
Any calcareous species of red algae of the family Corallinaceae.
(adj) :
Describing rock formed from the skeletons of such algae.
(n) :
An animal that resembles such a coral.