We found 3 dictionaries that define the word purple martins:

General (3 matching dictionaries)

1. purple martins: Merriam-Webster
2. purple martins: Vocabulary.com
3. purple martins: Wiktionary

(Note: See purple_martin as well.)

Definitions from Wiktionary (purple martin) ▸ noun:  The largest North American swallow, Progne subis. ▸ Also see purple_martin Types: swallow, bird, insectivore, predator, aerialist, more... ▸ Words similar to purple martins ▸ Usage examples for purple martins ▸ Idioms related to purple martins ▸ Wikipedia articles (New!) ▸ Words that often appear near purple martins ▸ Rhymes of purple martins ▸ Invented words related to purple martins