shə|valdə|frēz noun
also che·vaux-de-frise -|vōd-
( plural chevaux-de-frise -|vōd-)
Etymology: French, literally, horse or horses from Friesland; from its being first used there
1. : a piece of timber or an iron barrel from which iron-pointed spikes, spears, or pointed poles project five or six feet long, used in warfare to defend a passage, stop a breach, or impede cavalry — usually used in plural
2. : a protecting line of sharp points (as of spikes or nails) set firmly into the top of a fence or wall — usually used in plural