Definition of Branchiosaurus
: a group of small fossil amphibians like salamanders from the Permian of Europe formerly regarded as constituting a separate order or suborder but now usually held to be larvae of typical rhachitomous labyrinthodont amphibians —used originally as a generic name and still commonly as though it were a generic name
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of branchiosaurus
New Latin, from branchi- + -saurus
Seen and Heard
What made you want to look up Branchiosaurus? Please tell us where you read or heard it (including the quote, if possible).