We found 21 dictionaries that define the word mammals:

General (13 matching dictionaries)

1. mammals: Merriam-Webster
2. mammals: Collins English Dictionary
3. mammals: Vocabulary.com
4. Mammals, mammal's, mammals: Wordnik
5. mammals: Cambridge Advanced Learner's Dictionary
6. mammals: Wiktionary
7. mammals: Dictionary.com
8. mammals: Cambridge Essential American English Dictionary
9. Mammals (play), Mammals, The Mammals: Wikipedia, the Free Encyclopedia
10. Mammals: Online Plain Text English Dictionary
11. Mammals: AllWords.com Multi-Lingual Dictionary
12. mammals: FreeDictionary.org
13. Mammals: TheFreeDictionary.com

Computing (1 matching dictionary)

14. Mammals: Encyclopedia

Medicine (4 matching dictionaries)

15. mammals: Merriam-Webster Medical Dictionary
16. Medical Dictionary (No longer online)
17. online medical dictionary (No longer online)
18. Mammals: Medical dictionary

Science (2 matching dictionaries)

19. mammals: Evolution Glossary
20. Anthropology dictionary (No longer online)

Tech (1 matching dictionary)

21. Dairy Glossary (No longer online)

(Note: See mammal as well.)

Definitions from Wikipedia (Mammals) ▸ noun:  a play by Amelia Bullmore. ▸ noun:  a 2022 British black comedy television series, which premiered on Prime Video on 11 November 2022. Opposite: reptiles, birds, fish, amphibians, invertebrates Types: human, monkey, cat, dog, rat, hamster, horse, cow, elephant, more... Phrases: marine mammals, sea mammals, placental mammals, aquatic mammals, female mammals, more... Adjectives: other, smaller, marine, larger, most, higher, placental, lower, terrestrial, wild, various ▸ Words similar to mammals ▸ Usage examples for mammals ▸ Idioms related to mammals ▸ Wikipedia articles (New!) ▸ Popular adjectives describing mammals ▸ Words that often appear near mammals ▸ Rhymes of mammals ▸ Invented words related to mammals