Any speculations on which definition he means?

tool ( P ) Pronunciation Key (tl)
n.
A device, such as a saw, 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: Words are the tools of our trade.
Something used in the performance of an operation; an instrument: "Modern democracies have the fiscal and monetary tools... to
end chronic slumps and galloping inflations" (Paul A. Samuelson).
Vulgar Slang. A penis.
A person used to carry out the designs of another; a dupe.

A bookbinder's hand stamp.
A design impressed on a book cover by such a stamp.
Computer Science. An application program, often one that creates, manipulates, modifies, or analyzes other programs.

v. tooled, tool·ing, tools
v. tr.
To form, work, or decorate with a tool.
To ornament (a book cover) with a bookbinder's tool.
Slang. To drive (a vehicle): tooled the car at 80 miles an hour.

v. intr.
To work with a tool.
Slang. To drive or ride in a vehicle: tooled up and down the roads.

Phrasal Verb:
tool up
To provide an industry or a factory with machinery and tools suitable for a particular job.


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[Middle English, from Old English tl, possibly from Old Norse.]
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