Meaning

• 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.

Meaning

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

• To fit with a spline.

• To fasten to or together with a spline.