Definition of Allen's hummingbird
: a hummingbird (Selasphorus sasin) of western North America, the male being metallic green above with bright red throat and whitish breast, the female being variably marked with reddish brown, gray, and white
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.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of allen's hummingbird
after Joel A. Allen †1921 American zoologist
First Known Use: 1881
Seen and Heard
What made you want to look up Allen's hummingbird? Please tell us where you read or heard it (including the quote, if possible).