sprag¹ /sprag/

1. A mine prop
2. A bar inserted to stop a wheel
3. A device to prevent a vehicle from running backwards

To prop, or to stop, by a sprag

• surface noise
• surface noises
• surface plate
• surface plates
• surfacer
• surfacers
• surfaces
• surface structure
• surface structures
• surface tension
• surface tensions
• surface-to-air
• surface-to-surface
• surface-vessel
• surface-vessels
• surface water
• surface wind
• surface winds
• surface worker
• surface workers
• surfacing
• surfacings
• surfactant
• surfactants
• surf-bather