from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An erosion-resistant marine ridge or mound consisting chiefly of compacted coral together with algal material and biochemically deposited magnesium and calcium carbonates.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A mound or hummock of compacted coral skeletons
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a reef consisting of coral consolidated into limestone
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