alpine ash

noun

: a tall Australian timber tree (Eucalyptus gigantea) having the lower part of the trunk covered with thick woolly gray bark

Word History

First Known Use

1933, in the meaning defined above

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