Columnaria

noun

Col·​um·​nar·​ia

ˌkäləmˈna(a)rēə

: a genus of Silurian and Devonian compound tetracorals with small prismatic septate corallites

Word History

Etymology

New Latin, from Latin columna column + New Latin -aria

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