We found 18 dictionaries that define the word onions:

General (11 matching dictionaries)

1. Onions, onions: Merriam-Webster
2. Onions: Collins English Dictionary
3. onions: Vocabulary.com
4. O'Nions, Onion's, Onions, onion's, onions: Wordnik
5. onions: Cambridge Advanced Learner's Dictionary
6. Onions, onions: Wiktionary
7. Onions: Infoplease Dictionary
8. onions: Dictionary.com
9. onions: Cambridge Essential American English Dictionary
10. Onions (surname), Onions: Wikipedia, the Free Encyclopedia
11. Onions: TheFreeDictionary.com

Art (1 matching dictionary)

12. Epicurus.com Food Glossary (No longer online)

Computing (1 matching dictionary)

13. Onions: Encyclopedia

Medicine (2 matching dictionaries)

14. Medical Dictionary (No longer online)
15. Onions: Medical dictionary

Miscellaneous (2 matching dictionaries)

16. Brilliant Dream Dictionary (No longer online)
17. onions: Idioms

Slang (1 matching dictionary)

18. onions: Urban Dictionary

(Note: See onion as well.)

Definitions from Wiktionary (Onions) ▸ noun:  A surname from Welsh [in turn originating as a patronymic]. Similar: allium cepa, onion plant, Owen, rice, Bowen, Llewelyn, griffin, Shone, Rosser, Binyon, more... Opposite: garlic, shallots, leeks Types: red onion, yellow onion, white onion, green onion, shallot, scallion, chive, leek, garlic, more... Phrases: Green Onions, spring onions, red onions, wild onions, pearl onions, more... Adjectives: green, large, small, chopped, wild, fried, red, white, sliced, raw, yellow ▸ Words similar to onions ▸ Usage examples for onions ▸ Idioms related to onions ▸ Wikipedia articles (New!) ▸ Popular adjectives describing onions ▸ Words that often appear near onions ▸ Rhymes of onions ▸ Invented words related to onions