brass knuckles

noun

1. a band of metal with four holes that fits over the upper fingers and that is gripped when a fist is made, used for increasing the effect of a blow with the fist.

Word History and Origins

Origin of brass knuckles¹

An Americanism dating back to 1850–55

Example Sentences

Sometimes you must leave the high road and fetch your brass knuckles.

From The Daily Beast

Probably had a small force-field in his pocket, Ward thought, and a pair of brass knuckles.

From Project Gutenberg

Mary, stealing glances at him under her eyelashes, saw again the flash of the brass knuckles; saw—in thought only, thank God!

From Project Gutenberg

He was stained and disfigured from the effects of the brass knuckles, and he looked anything but "pleasant."

From Project Gutenberg

We must also consider other deadly weapons, such as dirk knives and brass knuckles.

From Project Gutenberg

The elaborate display of revolvers, dirks and brass knuckles in shop windows creates a most unfavorable impression on visitors.

From Project Gutenberg