01 n. 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 b…
pl.
Chevaux-de-frise
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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.” — W. Irving.