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Collins Concise English Dictionary © HarperCollins Publishers:: knuckle down vb - (intr, adverb) informal to apply oneself diligently: to knuckle down to some work
knuck•le /ˈnʌkəl/USA pronunciation n., v., -led, -ling. n. - Anatomy[countable] any joint of a finger, esp. where a finger bends, or where a finger meets the hand.
v. - knuckle down, [no object]
- to apply oneself with energy;
to work earnestly;
become serious. - Also, knuckle under. [no object] to admit that one is defeated;
to submit;
yield:He won't ever knuckle under to your threats.
WordReference Random House Unabridged Dictionary of American English © 2024knuck•le (nuk′əl),USA pronunciation n., v., -led, -ling. n. - Anatomya joint of a finger, esp. one of the articulations of a metacarpal with a phalanx.
- Anatomythe rounded prominence of such a joint when the finger is bent.
- Fooda joint of meat, consisting of the parts about the carpal or tarsal joint of a quadruped.
- Buildingan angle or protrusion at the intersection of two members or surfaces, as in the timbers of a ship or in a roof.
- See brass knuckles.
- Buildinga cylindrical projecting part on a hinge, through which an axis or pin passes;
the joint of a hinge. - Building(in a wire mesh) a bend in a wire crossing another wire.
- Furniture(on a chair arm) one of the ridges left at the front end by longitudinal flutes carved to accommodate the fingers.
- Nautical, Naval Termsa pronounced edge formed by a change in the form of the shell of a hull.
v.t. - to rub or press with the knuckles.
- Games[Marbles.]to shoot (a marble) from the thumb and forefinger.
- knuckle down:
- to apply oneself vigorously and earnestly;
become serious:Just knuckle down for an hour or so and finish the work. - Also, knuckle under. to submit;
yield.
- 1325–75; Middle English knokel (akin to Dutch kneukel, German Knöchel), diminutive of a word represented by Dutch knok, German Knochen bone; see -le
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