A brake that normally operates under pressure, but engages fully when all pressure is released.

the pedal in a vehicle, usually a car, which operates the brakes

In a brainy way.

plural of brake pedal

A machine used in cold-forming sheet metal or strips of metal into desired profiles.

Synonym of press brake

plural of brake press

(anatomy) A structure in the central nervous system (CNS) that keeps various substances found in the bloodstream out of the brain while allowing in the substances essential to metabolic function, e.g. oxygen.

(Britain) Alternative spelling of der-brain

A range over which a piecewise linear, generally progressive, tax is linear.