M

A contrivance which serves to apply or regulate moving power; or it is a tool more or less complicated, which is used to render useful natural instruments. Anything that uses, applies, or modifies force or translates motion. A device of fixed or moving parts that performs a function. The act of congress gives to inventors the right to obtain a patent right for any new and useful improvement on any art, machine, manufacture.

 - n. In general, any combination of bodies so connected that their relative motions are constrained, and by means of which force and motion may be transmitted and ...