something, e.g. an instrument or apparatus, used in performing an operation, or necessary for the practice of a vocation or profession

somebody who is used or manipulated by another

coarse slang a man's penis

(usu in passive) to work, shape, or finish (something) with a tool, esp to letter or ornament (leather, etc) by means of hand tools

(often + up) to equip (a plant or industry) with tools, machines, and instruments for production

Brit, informal (+ up) to be or become armed get tooled up for production

informal to drive or ride

He tooled round the neighbourhood in a small car