from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of several elongated freshwater fishes of the Amazon, western and central Africa, and Australia that have lunglike organs as well as gills and are able to breathe air, allowing certain species to survive periods of drought inside a mucus-lined cocoon in the mud.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. air-breathing fish, of the class Dipnoi, that have four limblike appendages instead of fins
from the GNU version of the Collaborative International Dictionary of English
- n. Any fish belonging to the Dipnoi; -- so called because they have both lungs and gills.
from The Century Dictionary and Cyclopedia
- n. A dipnoan; any fish of the order Dipnoi.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. air-breathing fish having an elongated body and fleshy paired fins; certain species construct mucus-lined mud coverings in which to survive drought
Sorry, no etymologies found.