Cheval-de-frise
(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 breach, or impede the advance of cavalry, etc.
Similar Words:
A cheval Chevachie Chevage Cheval Cheval-de-frise Chevalier Chevaux Chevaux-de-frise Chichevache