Meaning of bourrelet | Babel Free

Definitions

1. An accurately machined portion around the diameter of a shell of a gun, which acts to increase accuracy of projectile fit to the barrel.
2. An escoffion.
3. A raised rim around a footprint consisting of sediment displaced by the pressure of the step.

Examples

“The bourrelet is a slightly raised surface on the rocket designed to maintain a light contact with the inside of the launching tube to center the rocket when fired.”

CEFR level