Spline

n.	1.	A rectangular piece fitting 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 feather; also, sometimes, a groove to receive such a rectangular piece.
	2.	A long, flexble piece of wood sometimes used as a ruler.

Noun	1.	spline - a flexible strip (wood or rubber) used in drawing curved lines
	2.	spline - a thin strip (wood or metal) Synonyms: slat