[monkey wrench] n (ca. 1858) 1: a wrench with one fixed and one adjustable jaw at right angles to a straight handle
2: something that disrupts "threw a monkey wrench into the peace negotiations"
[monkey wrench] n (ca. 1858) 1: a wrench with one fixed and one adjustable jaw at right angles to a straight handle
2: something that disrupts "threw a monkey wrench into the peace negotiations"
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012