spline

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spline / splīn/ • n. 1. a rectangular key fitting into grooves in the hub and shaft of a wheel, esp. one formed integrally with the shaft that allows movement of the wheel on the shaft. ∎  a corresponding groove in a hub along which the key may slide.2. a slat. ∎  a flexible wood or rubber strip used esp. in drawing large curves.3. (also spline curve) Math. a continuous curve constructed so as to pass through a given set of points and have a certain number of continuous derivatives.• v. [tr.] secure (a part) by means of a spline. ∎  [usu. as adj.] (splined) fit with a spline: splined freewheels.

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