knuckle joint
NounOpen English WordNet
Noun (2)
- a joint of a finger when the fist is closedSynonyms: knucklemetacarpophalangeal jointType of synovial joint, articulatio synovialisPart of finger
- a joint allowing movement in one plane onlySynonyms: hinge jointType of joint
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Webster's Dictionary (1913)
Knuckle joint
Machinery, a hinge joint, in which a projection with an eye, on one piece, enters a jaw between two corresponding projections with eyes, on another piece, and is retained by a pin which passes through the eyes and forms the pivot.
From the entry Knuckle.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54