Bologna flask

noun

variants or Bologna phial or Bologna vial

: a bottle of unannealed glass that will fly into pieces when scratched compare rupert's drop

Word History

Etymology

Bologna

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