We found 25 dictionaries that define the word tubes:

General (13 matching dictionaries)

1. tubes: Merriam-Webster
2. tubes: Oxford Learner's Dictionaries
3. tubes: Collins English Dictionary
4. tubes: Vocabulary.com
5. Tube's, Tubes, tube's, tubes: Wordnik
6. tubes: Cambridge Advanced Learner's Dictionary
7. Tubes: InfoVisual Visual Dictionary
8. tubes: Wiktionary
9. tubes: Dictionary.com
10. tubes: Cambridge Essential American English Dictionary
11. The Tubes (album), The Tubes (band), The Tubes, The tubes: Wikipedia, the Free Encyclopedia
12. tubes: TheFreeDictionary.com
13. tubes: Wikimedia Commons US English Pronunciations

Computing (1 matching dictionary)

14. tubes: Encyclopedia

Medicine (6 matching dictionaries)

15. tubes: Merriam-Webster Medical Dictionary
16. Tubes: MedTerms.com Medical Dictionary
17. Endometrial Cancer Glossary (No longer online)
18. tubes: Parents' Common Sense Encyclopedia
19. tubes: Medical dictionary
20. Tubes: Drug Medical Dictionary

Miscellaneous (2 matching dictionaries)

21. TUBES: Acronym Finder
22. tubes: Idioms

Slang (3 matching dictionaries)

23. Totally Unofficial Rap (No longer online)
24. American-Australian Slang Dictionary (No longer online)
25. the tubes: Urban Dictionary

(Note: See tube as well.)

Definitions from Wiktionary (tubes) ▸ noun:  (Internet slang) The Internet. ▸ noun:  (slang) The inner workings of one's body. Similar: underground, vacuum tube, electron tube, thermionic valve, metro, subway, pipe, thermionic tube, thermionic vacuum tube, tube-shaped structure, more... Opposite: solid, flat, block, sheet, cube Types: vacuum, electron, radio, microphone, video, thermionic, phototube, photomultiplier, photodiode, more... Phrases: test tubes, fallopian tubes, vacuum tubes, bronchial tubes, capillary tubes, more... Adjectives: fallopian, bronchial, small, ray, long, eustachian, inner, fluorescent, test, plastic, vertical ▸ Words similar to tubes ▸ Usage examples for tubes ▸ Idioms related to tubes ▸ Wikipedia articles (New!) ▸ Popular adjectives describing tubes ▸ Words that often appear near tubes ▸ Rhymes of tubes ▸ Invented words related to tubes