Drawing a spline.



  • Long thin piece of metal or wood.
  • A rectangular piece that fits grooves like key seats in a hub and a shaft, so that while the one may slide endwise on the other, both must revolve together.
  • A flexible strip of metal or other material, that may be bent into a curve and used in a similar manner to a ruler to draw smooth curves between points.
  • Any of a number of smooth curves used to join points.
  • A strip of wood or other material inserted into grooves in each of two pieces of wood to provide additional surface for gluing.
  • Ridges or teeth on a drive shaft that mesh with grooves in a mating piece and transfer torque to it, maintaining the angular correspondence between them.


  • To smooth (a curve or surface) by means of a spline.
  • To fit with a spline.
  • To fasten to or together with a spline.


  • Mid-1700s East Anglian dialect. Origin uncertain but perhaps from Old Danish splind or North Frisian splinj and ultimately related to the root of splinter.

Modern English dictionary

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