from The Century Dictionary.
- A family of regular desmostichous or endocyclical sea-urchins, of the order Endocyclica or Cidaridea, having a long oval shell, imperforate tubercles, oral branchiæ, and ambulacral areas in arcs of more than three pairs of pores. Echinometra and Podophora are the leading genera.
Sorry, no etymologies found.
Sorry, no example sentences found.