We found 12 dictionaries that define the word hazelnuts:

General (9 matching dictionaries)

1. hazelnuts: Merriam-Webster
2. hazelnuts: Collins English Dictionary
3. hazelnuts: Vocabulary.com
4. Hazelnuts, hazelnuts: Wordnik
5. hazelnuts: Cambridge Advanced Learner's Dictionary
6. hazelnuts: Wiktionary
7. hazelnuts: Dictionary.com
8. Hazelnuts: Wikipedia, the Free Encyclopedia
9. Hazelnuts: TheFreeDictionary.com

Art (1 matching dictionary)

10. Natural Magick (No longer online)

Computing (1 matching dictionary)

11. Hazelnuts: Encyclopedia

Medicine (1 matching dictionary)

12. Allergy Glossary (No longer online)

(Note: See hazelnut as well.)

Definitions from Wiktionary (hazelnut) ▸ noun:  The fruit of the hazel, especially Corylus avellana, which is grown commercially. ▸ Also see hazelnut ▸ Words similar to hazelnuts ▸ Usage examples for hazelnuts ▸ Idioms related to hazelnuts ▸ Wikipedia articles (New!) ▸ Popular adjectives describing hazelnuts ▸ Words that often appear near hazelnuts ▸ Rhymes of hazelnuts ▸ Invented words related to hazelnuts