obsidional

adjective

ob·​sid·​i·​o·​nal

əbˈsīdē‧ənəl

1

: of or relating to a siege

2

of a piece of money : issued for use during a siege

obsidional coins

Word History

Etymology

Latin obsidionalis, from obsidion-, obsidio siege (from obsidēre to besiege + -ion-, -io -ion) + -alis -al

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