Definition, Meaning & Synonyms

sprag

noun

/spræɡ/

Definition

A sprag is a mechanism that allows motion in one direction while preventing motion in the opposite direction.

Examples

The sprag engaged when the car’s transmission shifted into reverse, preventing any back movement.
In construction, they used a sprag to secure the load during transport.
The design of the sprag ensures it can handle heavy loads without slipping.

Meaning

In mechanical contexts, a sprag is typically used in devices such as brakes or clutches to provide a means of locking or holding in place when needed.