<p><strong>Noun</strong></p><ul><li>an implement, especially one held in the hand, as a hammer, saw, or file, for performing or facilitating mechanical operations.</li><li>any instrument of manual operation.</li><li>the cutting or machining part of a lathe, planer, drill, or similar machine.</li><li>the machine itself; a machine tool.</li><li>anything used as a means of accomplishing a task or purpose: Education is a tool for success.</li><li>a person manipulated by another for the latter's own ends; cat's-paw.</li><li>the design or ornament impressed upon the cover of a book.</li><li>Underworld Slang: a pistol or gun.</li><li>a pickpocket.</li><li>Slang: Vulgar: penis.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to work or shape with a tool.</li><li>to work decoratively with a hand tool.</li><li>to ornament (the cover of a book) with a bookbinder's tool.</li><li>to drive (a vehicle): He tooled the car along the treacherous path.</li><li>to equip with tools or machinery.</li><li>(used without object) to work with a tool.</li><li>to drive or ride in a vehicle: tooling along the freeway.</li><li>(verb phrase) to install machinery designed for performing a particular job: manufacturers tooling up for production.</li></ul>