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

  • n. Any of several reef-building corals of the genus Meandrina, forming rounded colonies that resemble the convolutions of the human brain.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several species of coral in the shape of a brain.

from the GNU version of the Collaborative International Dictionary of English

  • n. a massive reef-building coral having the surface covered by ridges separated by furrows so as to resemble somewhat the surface of the brain, esp. such corals of the genera Mæandrina and Diploria.
  • n. See under Brain.

from The Century Dictionary and Cyclopedia

  • n. The popular name of coral of the genus Meandrina: so called because it resembles in its superficial appearance the convolutions of the human brain.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. massive reef-building coral having a convoluted and furrowed surface


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