D defs.my
Entry 1 sense Webster, 1913

Trou-de-loup

· Trou·-de-loup · IPA
01 n. A pit in the form of an inverted cone or pyramid, constructed as an obstacle to the approach of an enemy, and having a pointed stake in the…
pl. Trous-de-loup
  1. 1.
    A pit in the form of an inverted cone or pyramid, constructed as an obstacle to the approach of an enemy, and having a pointed stake in the middle. The pits are called also trapholes.(Mil.) Also: trapholes