fairy stone

noun

1

: a stone arrowhead

2

: any of various concretions and fossils of odd or fantastic shape: such as

a

: a staurolite crystal

b

: a fossil sea urchin

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