Definition of zygosphene
: a median process on the front part of the neural arch of the vertebrae of most snakes and some lizards — see zygantrum
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of zygosphene
zyg- + Greek sphēn wedge
Seen and Heard
What made you want to look up zygosphene? Please tell us where you read or heard it (including the quote, if possible).