from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A perforated platelike structure in most echinoderms that forms the intake for their water-vascular systems.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A fossil coral.

from the GNU version of the Collaborative International Dictionary of English

  • n. A fossil coral.
  • n. The madreporic plate of echinoderms.

from The Century Dictionary and Cyclopedia

  • n. Fossil madrepore.
  • n. In echinoderms, the madreporic body or tubercle; the interradial aboral porous plate at the termination of the madreporic canals.
  • Same as madreporic.


So called because the perforations resemble those of a madrepore.
(American Heritage® Dictionary of the English Language, Fourth Edition)
madrepore +‎ -ite (Wiktionary)


  • Other identifications, such as greco scritto, fior di pesco, lumachella or madreporite rossa di sibilio, karacabey siyah mermer, and bigio antico, are less positive and have to be backed up by archaeometrical analysis.

    Interactive Dig Sagalassos - Stone Report 1


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