brakingarm

noun
UK /ˈbreɪkɪŋ ɑːm/
US /ˈbreɪkɪŋ ɑːrm/

A braking arm is a part that helps a machine slow down or stop.

The robot's braking arm gently stopped the spinning wheel.


OTHER MEANINGS

2. A pivoting lever that applies pressure to a brake pad.

The mechanic tightened the braking arm so the bike would stop faster.

3. A safety arm on a ride that slows it down.

The braking arm swung out to slow the merry-go-round.

4. A robotic limb used to halt motion in a factory.

The braking arm caught the falling box before it hit the floor.