monkey wrench

monkey wrench

noun

Definition of MONKEY WRENCH

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>

Illustration of MONKEY WRENCH

First Known Use of MONKEY WRENCH

circa 1807

Rhymes with MONKEY WRENCH

Anglo-French, deacon's bench, Middle French, Norman-French, socket wrench