Definition of ponticulus
1 : a slight ridge
2 : a bridge of transverse nerve fibers between the pyramids of the medulla and the pons —called also propons
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.
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 ponticulus
New Latin, from Latin, diminutive of pont-, pons bridge
Seen and Heard
What made you want to look up ponticulus? Please tell us where you read or heard it (including the quote, if possible).