Definition of gray alder
: an alder (Alnus incana) that is native to Europe but introduced into and often an escape in North America and that has whitish gray bark and doubly toothed leaves with the undersurface whitish and often heavily pubescent
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up gray alder? Please tell us where you read or heard it (including the quote, if possible).