lug wrench

noun

plural lug wrenches

: a socket wrench used for loosening and tightening lug nuts (see lug entry 3 sense 4)

Most driving schools today don't teach students how to change a flat tire. Some require students to familiarize themselves with the workings of a car, but few if any offer hands-on experience with a tire jack and lug wrench.

—Bruce Davis

The hubcap can be pried off—the end of the lug wrench that looks like a large flathead screwdriver is used for this task.

—Allen Foster

called also tire iron

Word History

First Known Use

1906, in the meaning defined above