tool

A device, such as a saw, shovel, or drill, used to perform or facilitate manual or mechanical work.

A machine, such as a lathe, used to cut and shape machine parts or other objects.

The cutting part of such a machine.

Something regarded as necessary to the carrying out of one’s occupation or profession.

Something used in the performance of an operation; an instrument.

The penis.

A person used to carry out the designs of another; a dupe.

A bookbinder’s hand stamp.