noun
Military term for a fortified position or protective structure for personnel or equipment.
敵の砲撃から身を守るため、兵士たちは掩体に隠れた。
The soldiers hid in the bunker to protect themselves from enemy shelling.
この地域には旧日本軍の掩体がいくつか残っている。
Several emplacements from the former Japanese army remain in this area.
Compound of 掩 (cover, conceal) and 体 (body, structure). The exact historical derivation is uncertain, but the term is used in modern Japanese military contexts.