Spline

Spline can refer to:

Spline (mechanical), a mating feature for rotating elements
Spline (mathematics), a mathematical function used for interpolation or smoothing
Smoothing spline, a method of smoothing using a spline function
Flat spline, a device to draw curves
Spline drive, a type of screw drive
Spline (alien beings), fictional alien beings
Spline cord, a type of thin rubber cord used to secure a window screen to its frame
Spline, otherwise known as Star filler, is a type of plastic cable filler for CAT cable.

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