胸きょう壁へき

noun

breastwork; parapet (military)

Military fortification term: a low defensive wall or earthwork, often temporary, used to protect soldiers.

See also: 胸墻

• 兵へい士したちは胸きょう壁へきの陰かげに身みを隠かくした。

  The soldiers took cover behind the breastwork.

noun

fortress

Rare, literary use for a fortified place or stronghold; not a common standalone word for fortress in modern Japanese.

• その古こ城じょうは難なん攻こう不ふ落らくの胸きょう壁へきとして知しられていた。

  The old castle was known as an impregnable fortress.

noun

parapet (architecture)

Architectural term for a low protective wall at the edge of a roof, balcony, bridge, or terrace.

See also: パラペット

• 屋おく上じょうの胸きょう壁へきから街まちを見み下おろした。

  I looked down at the city from the parapet on the rooftop.

noun

chest wall

Medical/anatomical term for the thoracic wall; used in clinical contexts.

• 胸きょう壁へきの手しゅ術じゅつは専せん門もん医いが行おこなった。

  The chest wall surgery was performed by a specialist.