 knuckle_joint |
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| 1. | [ noun ] (anatomy) a joint of a finger when the fist is closed | |
| Synonyms: | knuckle metacarpophalangeal_joint | |
| Related terms: | joint synovial_joint finger | |
| 2. | [ noun ] a joint allowing movement in one plane only | |
| Synonyms: | hinge_joint | |
| Related terms: | joint | |
| Similar spelling: |
knuckle_down knuckle_duster knucklebones knuckle_under knucklehead knuckleball |
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