The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
also mud pup·pynoun pl. mud·pup·pies also mud pup·pies
- Any of several large North American salamanders of the genus Necturus, especially N. maculosus, that live in damp regions and have conspicuous clusters of dark red external gills. Also called water dog.
- See hellbender.