Cheval-de-frise /(?)/

Che·val·-de-frise

Cheval-de-frise

n.

pl. Chevaux-de-frise

  1. A piece of timber or an iron barrel traversed with iron-pointed spikes or spears, five or six feet long, used to defend a passage, stop a breach, or impede the advance of cavalry, etc. (Mil.)
    Obstructions of chain, boom, and cheval-de-frise.