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Abatis

//ˈæbətiː// noun

Noun

1
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.
2
a line of defense consisting of a barrier of felled or live trees with branches (sharpened or with barbed wire entwined) pointed toward the enemy wordnet
3
In the Middle Ages, an officer of the stables who had the care of measuring out the provender; an avenor. historical
4
In coal-mining, walls of cord-wood piled up crosswise to keep the underground roads open so as to secure ventilation.

From French abatis, abattis (“mass of things beaten or cut down”), from abattre. See abate.

Unscramble this word: abatis