from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A potent neurotoxin that is secreted by a dinoflagellate and can accumulate in the flesh of certain marine fish, such as grouper or snapper, causing ciguatera poisoning.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of several closely related toxins, having a complex structure including a row of thirteen connected heterocyclic rings, produced by algae that are eaten by many fish; causes ciguatera poisoning in humans.
cigua(tera) + toxin.(American Heritage® Dictionary of the English Language, Fourth Edition)