'Rhabdolith' definitions:

Definition of 'Rhabdolith'

From: GCIDE

Rhabdolith \Rhab"do*lith\, n. [Gr. "ra`bdos a rod + -lith.] A minute calcareous rodlike structure found both at the surface and the bottom of the ocean; -- supposed by some to be a calcareous alga. [1913 Webster]