monkey wrench

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monkey wrench

a wrench with adjustable jaws

monkey wrench

[′məŋ·kē ‚rench]
(design engineering)
A wrench having one jaw fixed and the other adjustable, both of which are perpendicular to a straight handle.

monkey wrench

monkey wrench
A wrench having one jaw fixed and the other jaw (which is adjusted by a screw) movable.