from The Century Dictionary and Cyclopedia
- A family of corals inhabiting a fixed, branching polypary, whose fleshy substance is spread like the branch of a tree over a central solid, calcareous, or corneous axis; the barked corals.
- A higher grade of Protozoa in Lankester's classification, as the Gregarinæ and Infusoria. , ,
- A division of the Porifera or sponges, represented by the genus Thetya.
Sorry, no etymologies found.