Whats the machine you use in Design technology where you put a piece of wood flat down and there is a spinning

Question:Whats the machine you use in Design technology where you put a piece of wood flat down and there is a spinning metal blade thing which makes your wood in a curve?

Answers:
A router or a shaper. Routers are generally moved along the wood by hand and shapers are usually a stationary motor spindle that the wood is moved along.