sea feather

sea feather

n. Any of several gorgonian corals having a flexible skeleton in the shape of a feather, with numerous branches attached to a central shaft.

sea′ feath`er

n. any of certain gorgonian corals in which the colony assumes a featherlike form. [1615–25]

Thesaurus

Noun	1.sea feather - corals forming featherlike coloniesgorgonian, gorgonian coral - corals having a horny or calcareous branching skeleton