bourrelet en · NOUN
Etymology
Borrowed from French bourrelet.
Meanings
-
An accurately machined portion around the diameter of a shell of a gun, which acts to increase accuracy of projectile fit to the barrel.
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.
2019, Thomas Gersbeck, Practical Military Ordnance Identification, 2nd edition, CRC Press, →ISBN, page 111:
- An escoffion.
- A raised rim around a footprint consisting of sediment displaced by the pressure of the step.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| bourrelets | Number=Plur | lexicographic |