ice cave

noun

1

: a cave so protected from the summer heat that ice remains in it throughout all or most of the year

2

: a cave or tunnel in ice

especially : one formed in a glacier by meltwater streams

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