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We found 44 dictionaries with English definitions that include the word knuckle:
Click on the first link on a line below to go directly to a page where "knuckle" is defined.

General (33 matching dictionaries)

1. knuckle: Merriam-Webster.com [home, info]
2. knuckle: Oxford Learner's Dictionaries [home, info]
3. knuckle: American Heritage Dictionary of the English Language [home, info]
4. knuckle: Collins English Dictionary [home, info]
5. knuckle: Vocabulary.com [home, info]
6. knuckle, knuckle: Macmillan Dictionary [home, info]
7. Knuckle, knuckle: Wordnik [home, info]
8. knuckle: Cambridge Advanced Learner's Dictionary [home, info]
9. knuckle: Wiktionary [home, info]
10. knuckle: Webster's New World College Dictionary, 4th Ed. [home, info]
11. knuckle: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. knuckle: Infoplease Dictionary [home, info]
13. knuckle: Dictionary.com [home, info]
14. knuckle: Online Etymology Dictionary [home, info]
15. knuckle: UltraLingua English Dictionary [home, info]
16. knuckle: Cambridge Dictionary of American English [home, info]
17. knuckle: Cambridge International Dictionary of Idioms [home, info]
18. Knuckle (disambiguation), Knuckle (film), Knuckle: Wikipedia, the Free Encyclopedia [home, info]
19. knuckle: Cambridge International Dictionary of Phrasal Verbs [home, info]
20. Knuckle: Online Plain Text English Dictionary [home, info]
21. knuckle: Webster's Revised Unabridged, 1913 Edition [home, info]
22. knuckle: Rhymezone [home, info]
23. knuckle: AllWords.com Multi-Lingual Dictionary [home, info]
24. knuckle: Webster's 1828 Dictionary [home, info]
25. Knuckle: 1911 edition of the Encyclopedia Britannica [home, info]
26. knuckle: Free Dictionary [home, info]
27. knuckle: Mnemonic Dictionary [home, info]
28. knuckle: WordNet 1.7 Vocabulary Helper [home, info]
29. knuckle: LookWAYup Translating Dictionary/Thesaurus [home, info]
30. knuckle: Dictionary/thesaurus [home, info]
31. knuckle: Wikimedia Commons US English Pronunciations [home, info]

Business (1 matching dictionary)

32. Knuckle: Construction Term Glossary [home, info]

Computing (1 matching dictionary)

33. knuckle: Encyclopedia [home, info]

Medicine (4 matching dictionaries)

34. Knuckle: MedTerms.com Medical Dictionary [home, info]
35. knuckle: online medical dictionary [home, info]
36. knuckle: Medical dictionary [home, info]
37. Knuckle: Drug Medical Dictionary [home, info]

Miscellaneous (1 matching dictionary)

38. knuckle: Idioms [home, info]

Slang (1 matching dictionary)

39. Knuckle, knuckle: Urban Dictionary [home, info]

Sports (1 matching dictionary)

40. Knuckle: Texas Hold'em Dictionary [home, info]

Tech (2 matching dictionaries)

41. Knuckle: AUTOMOTIVE TERMS [home, info]
42. knuckle: Locksmith Dictionary [home, info]

(Note: See knuckling for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (knuckle) ▸ noun:  a joint of a finger when the fist is closed ▸ verb:  shoot a marble while keeping one's knuckles on the ground ▸ verb:  press or rub with the knuckles ▸ Also see knuckling ▸ Word origin ▸ Words similar to knuckle ▸ Usage examples for knuckle ▸ Idioms related to knuckle (New!) ▸ Popular adjectives describing knuckle ▸ Words that often appear near knuckle ▸ Rhymes of knuckle ▸ Invented words related to knuckle