noun \ˈsplīn\

Definition of spline

  1. 1 :  a thin wood or metal strip used in building construction

  2. 2 :  a key that is fixed to one of two connected mechanical parts and fits into a keyway in the other; also :  a keyway for such a key

  3. 3 :  a function that is defined on an interval, is used to approximate a given function, and is composed of pieces of simple functions defined on subintervals and joined at their endpoints with a suitable degree of smoothness

Origin and Etymology of spline

origin unknown

First Known Use: 1756

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