Abatis meaning

ăbə-tē, -tĭs
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. [Mid 19th century.]
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A defensive obstacle made by laying felled trees on top of each other with branches, sometimes sharpened, facing the enemy.
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A barricade of felled trees, with branches pointed toward the enemy: now often reinforced with barbed wire.
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Origin of abatis

  • French pile of things thrown down from Old French abateis abattre to throw down abate

    From American Heritage Dictionary of the English Language, 5th Edition

  • French abatis, abattis, "mass of things beaten or cut down", from abattre. See abate.

    From Wiktionary