Lithophyte
Pronunciation : Lith"o*phyte
Part of Speech : n.
Etymology : [Litho- + Gr. lithophyte.] (Zo?l.)
Definition : Defn: A hard, or stony, plantlike organism, as the gorgonians, corals, and corallines, esp. those gorgonians having a calcareous axis. All the lithophytes except the corallines are animals.
Source : Webster's Unabridged Dictionary, 1913