モンキースパナ

noun

monkey wrench; adjustable spanner

A tool with an adjustable jaw, used for gripping and turning nuts and bolts of various sizes. The term is a loanword from English 'monkey spanner', but in modern English 'monkey wrench' or 'adjustable wrench' is more common.

• モンキースパナでナットを締しめた。

  I tightened the nut with a monkey wrench.