We found 16 dictionaries that define the word moons:

General (11 matching dictionaries)

1. moons: Merriam-Webster
2. moons: Collins English Dictionary
3. Moons, moons: Vocabulary.com
4. Moon's, Moons, Moons, moon's, moons, moons: Wordnik
5. moons: Cambridge Advanced Learner's Dictionary
6. moons: Wiktionary
7. moons: Dictionary.com
8. moons: Cambridge Essential American English Dictionary
9. Moons (disambiguation), Moons, The Moons: Wikipedia, the Free Encyclopedia
10. Moons: Rhymezone
11. moons: TheFreeDictionary.com

Computing (1 matching dictionary)

12. moons: Encyclopedia

Medicine (1 matching dictionary)

13. moons: Merriam-Webster Medical Dictionary

Miscellaneous (1 matching dictionary)

14. moons: Idioms

Slang (2 matching dictionaries)

15. Moons (Baby Moons): 1960's Slang
16. The Moons, moons: Urban Dictionary

(Note: See moon as well.)

Definitions from Wikipedia (Moons) ▸ noun:  celestial bodies that orbit planets or smaller bodies. Types: natural satellite, binary system, tertiary system, quaternary system, quintenary system, more... Phrases: many moons, new moons, full moons, crescent moons, half moons, more... Adjectives: many, new, full, half, small, crescent, few, several, little, galilean, tiny ▸ Words similar to moons ▸ Usage examples for moons ▸ Idioms related to moons ▸ Wikipedia articles (New!) ▸ Popular adjectives describing moons ▸ Words that often appear near moons ▸ Rhymes of moons ▸ Invented words related to moons