noun
brake drum
Automotive part; the drum-shaped component in a drum brake system against which brake shoes press.
ブレーキドラムが摩耗したので交換が必要だ。
The brake drum is worn, so it needs to be replaced.
Brake shoes press against the inside of the brake drum to create friction.
Variant with interpunct, sometimes used for clarity.
Loanword from English 'brake drum'.