Definition

Noun: A portable defensive barrier, historically used in military fortifications, consisting of a wooden frame or beam studded with sharp, projecting spikes, blades, or barbed wire. Its primary purpose was to obstruct the advance of cavalry and infantry.

Usage

The term is used to describe a specific type of antique military obstacle. It is a historical term and is typically used in discussions of historical warfare, fortifications, or battlefield tactics. * The defenders hastily constructed a cheval-de-frise across the breach in the wall. * In the museum, a replica cheval-de-frise illustrates 18th-century siege warfare.

Advanced Usage

• The plural form is chevaux-de-frise.
  • The approach to the fortress was littered with multiple chevaux-de-frise.

Variants and Related Words

• Abatis / Abattis: A related defensive obstacle made from felled trees with sharpened branches pointing toward the enemy.
• Caltrop: A much smaller, thrown weapon with multiple spikes designed to land with one spike always pointing upward, used to injure feet or puncture tires. It serves a similar obstructive function but on a smaller scale.

Synonyms

• Barrier
• Obstacle
• Defense work
• Impediment

Notes

• The term is of French origin, literally meaning "Frisian horse." The name is believed to derive from its use (or origin) in Friesland during conflicts where cavalry was effectively countered.
• In modern contexts, the principle is sometimes referenced metaphorically or in security design, but the specific object is largely historical.

Noun

1. defensive structure consisting of a movable obstacle composed of barbed wire or spikes attached to a wooden frame; used to obstruct cavalry