An abatis, abattis, or abbattis is a field fortification consisting of an obstacle formed (in the modern era) of the branches of trees laid in a row, with the sharpened tops directed outwards, towards the enemy.

The meaning of ABATIS is a defensive obstacle formed by felled trees with sharpened branches facing the enemy.

Mar 28, 2018 · Abatis: A line of felled trees with their branches sharpened, tangled together, and facing toward the enemy. It strengthened fortifications by preventing surprise and delaying an attacking enemy once within the defenders’ range.

Apr 25, 2008 · Derived from the French word meaning heap of material thrown together, the abatis was built of piles of trees or large branches sharpened to a point and turned toward the enemy’s approach. They were entangled to form an impassable barrier for cavalry and infantry.

Jan 1, 2025 · abatis (plural abatis or abatises) A means of defense formed by felled trees, or sometimes by bent trees, the ends of whose branches are sharpened and directed outwards, or against the enemy, and more recently fortified with barbed wire.

an obstacle or barricade of trees with bent or sharpened branches directed toward an enemy. a barbed wire entanglement used as an obstacle or barricade against an enemy.

Jul 22, 2020 · An abatis is a field fortification used to slow the advance of an enemy, typically by felling trees in a criss/cross pattern across avenues of approach.

The term "abatis" was first used in the 16th century to refer to a defensive barrier made from felled trees. The practice of creating abatis dates back to ancient times, when armies would clear forests to create obstacles for their enemies.

Brief educational video to demonstrate a typical "abatis" from the Civil War. It was a technique for defending a fortification, through simply cutting down trees and dragging them into position...

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