逆さか茂も木ぎ

noun

abatis

A defensive obstacle made of felled trees with sharpened branches facing outward, used historically in Japanese fortifications. Rare in modern contexts; mainly encountered in historical or military descriptions.

• 城しろの周しゅう囲いには逆さか茂も木ぎが設せっ置ちされ、敵てきの侵しん入にゅうを防ふせいだ。

  Abatis were set up around the castle to prevent enemy intrusion.