Third-person singular simple present indicative form of jam on the brakes

simple past tense and past participle of jam on the brakes

(rail transport) A mechanism for performing dynamic braking.

plural of dynamic brake

(astronomy) A theoretical scientific model suggested as one of the possibilities for the ultimate fate of the universe.

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

plural of dead man's brake

Synonym of coaster brake

The average (mean) pressure which, if imposed on the pistons uniformly from the top to the bottom of each power stroke, would produce the measured (brake) power output.

plural of brake mean effective pressure