monkey wrench(redirected from Gas grips)
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1. A hand tool with adjustable jaws for turning nuts of varying sizes.
2. Informal Something that disrupts: He threw a monkey wrench into our plans.
(Tools) a wrench with adjustable jaws
1. a wrench having an adjustable jaw for grasping nuts of different sizes.
2. something that interferes.
One of the few types of wrenches found on most early-twentieth-century farms. Its jaws were at right angles to the handle. One jaw was adjustable. The other, much heavier and at the end of the handle, was often used as a hammer. Charles Moncky apparently invented the wrench sometime before 1860.