We found 25 dictionaries that define the word needles:

General (12 matching dictionaries)

1. needles: Merriam-Webster
2. needles: Collins English Dictionary
3. needles: Vocabulary.com
4. Needle's, Needles, needle's, needles: Wordnik
5. needles: Cambridge Advanced Learner's Dictionary
6. Needles, needles: Wiktionary
7. Needles: Infoplease Dictionary
8. needles: Dictionary.com
9. needles: Cambridge Essential American English Dictionary
10. Needles (Black Hills), Needles (horse), The Needles (Arizona), The Needles (Isle of Wight), The Needles (Sequoia National Forest), The Needles (band), The Needles: Wikipedia, the Free Encyclopedia
11. Needles: Rhymezone
12. The Needles, needles: TheFreeDictionary.com

Art (1 matching dictionary)

13. Beading Glossary (No longer online)

Business (1 matching dictionary)

14. The Needles, needles: Legal dictionary

Computing (1 matching dictionary)

15. The Needles (CNP), The Needles, needles: Encyclopedia

Medicine (4 matching dictionaries)

16. needles: Merriam-Webster Medical Dictionary
17. Medical Dictionary (No longer online)
18. online medical dictionary (No longer online)
19. The Needles, needles: Medical dictionary

Miscellaneous (1 matching dictionary)

20. The Needles, needles: Idioms

Slang (1 matching dictionary)

21. Needles: Urban Dictionary

Sports (1 matching dictionary)

22. Internet Karting Glossary (No longer online)

Tech (3 matching dictionaries)

23. Book Binding (No longer online)
24. Popular Cross Stitch Terms (No longer online)
25. Urban Conservation Glossary (No longer online)

(Note: See needle as well.)

Definitions from Wiktionary (Needles) ▸ noun:  A set of three stacks of chalk off the western coast of the Isle of Wight, England. ▸ noun:  A city in San Bernardino County, California, United States. ▸ adjective:  Obsolete spelling of needless. [Not needed; unnecessary.] Similar: goad, nettle, acerate leaf, phonograph needle, Easton, Back of the Wight, Cowes, South Downs, Nettlestone, Nettlecombe, more... Opposite: thread, yarn, string Types: knitting needles, sewing needles, acupuncture needles, more... Phrases: pine needles, knitting needles, hypodermic needles, sewing needles, darning needles, more... Adjectives: fine, long, hypodermic, small, white, yellow, sharp, green, disposable, curved, pine Colors:     green,     olive,     forest green,     emerald,     sage, more... ▸ Words similar to needles ▸ Usage examples for needles ▸ Idioms related to needles ▸ Wikipedia articles (New!) ▸ Popular adjectives describing needles ▸ Popular nouns described by needles ▸ Words that often appear near needles ▸ Rhymes of needles ▸ Invented words related to needles