noun
1. : a wrench with one fixed and one adjustable jaw at right angles to a straight handle
2. : something disrupting
a speech on foreign policy … threw a monkey wrench into our foreign relations at a critical time — Kiplinger Washington Letter
noun
1. : a wrench with one fixed and one adjustable jaw at right angles to a straight handle
2. : something disrupting
a speech on foreign policy … threw a monkey wrench into our foreign relations at a critical time — Kiplinger Washington Letter
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012