spline

/splaษชn/

IPA: /S P L AY0 N/

noun
  1. 1

    Long thin piece of metal or wood.

  2. 2

    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.

  3. 3

    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.

  4. 4

    Any of a number of smooth curves used to join points.

  5. 5

    A strip of wood or other material inserted into grooves in each of two pieces of wood to provide additional surface for gluing.

  6. 6

    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.

verb
  1. 1

    To smooth (a curve or surface) by means of a spline.

  2. 2

    To fit with a spline.

  3. 3

    To fasten to or together with a spline.

Source: https://en.wiktionary.org/wiki/spline