provinculum

noun

pro·​vinculum

prō+

: a primitive hinge composed of minute teeth developed before the permanent dentition in some bivalve mollusks

Word History

Etymology

New Latin, from pro- entry 1 + vinculum

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