We found 4 dictionaries that define the word hummingbird moths:

General (4 matching dictionaries)

1. hummingbird moths: Merriam-Webster
2. hummingbird moths: Collins English Dictionary
3. hummingbird moths: Vocabulary.com
4. hummingbird moths: Wiktionary

(Note: See hummingbird_moth as well.)

Definitions from Wiktionary (hummingbird moth) ▸ noun:  Any of the genus Hemaris of sphinx moths. ▸ Also see hummingbird_moth ▸ Words similar to hummingbird moths ▸ Usage examples for hummingbird moths ▸ Idioms related to hummingbird moths ▸ Wikipedia articles (New!) ▸ Words that often appear near hummingbird moths ▸ Rhymes of hummingbird moths ▸ Invented words related to hummingbird moths