Bourrelet

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 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.

    "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."

  2. 2
    An escoffion.
  3. 3
    A raised rim around a footprint consisting of sediment displaced by the pressure of the step.

Example

More 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."

Etymology

Borrowed from French bourrelet.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.