from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of several reef-building corals of various genera, especially Diploria, that form rounded colonies resembling the convolutions of the human brain.

from The Century Dictionary.

  • noun 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 Wiktionary, Creative Commons Attribution/Share-Alike License.

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

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

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


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