spheno-occipital suture

noun

"+…-

variants or less commonly spheno-occipital

: the junction between the basisphenoid and basioccipital bones of the mammalian skull that in man is usually closed by the age of 25

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now