cave earth

noun

: the residual accumulation of insoluble materials on the floor of a cave, many of such deposits being covered with a layer of stalagmite and some of them containing remains of extinct animals

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