brake drum

noun

1. a narrow metal cylinder, fixed to a rotating shaft or wheel, against which brake shoes or brake bands act.

brake drum

noun

1. the cast-iron drum attached to the hub of a wheel of a motor vehicle fitted with drum brakes See also brake shoe

Word History and Origins

Origin of brake drum¹

First recorded in 1895–1900

Example Sentences

The double action was caused by the expansion and contraction of two bands inside and outside a brake drum.

From Project Gutenberg