Translation guide
A low protective wall along the edge of a roof, bridge, balcony, or similar structure. In Japanese, the term depends on the context and material, with different words used for castle walls, modern building edges, and bridge railings.
The low wall at the edge of a flat roof, balcony, or terrace, often made of concrete or brick, used for safety.
Loanword from English, commonly used in modern architecture for the low wall on roofs and balconies.
屋上のパラペットに寄りかからないでください。
Please don't lean against the parapet on the rooftop.
Literally 'handrail wall', used for a low wall that also serves as a railing, often on balconies or stairways.
バルコニーの手すり壁は安全基準を満たしている。
The balcony parapet meets safety standards.
Refers to a breastwork or parapet, often in military or fortification contexts, but can be used for any low protective wall.
城の胸壁から敵を狙う。
Aim at the enemy from the castle's parapet.
The defensive wall on top of a castle or fort, often with alternating solid parts and openings (crenellations) for shooting.
The standard term for a castle parapet or breastwork, especially with crenellations.
城の胸壁には狭間が設けられている。
The castle parapet has embrasures.
A general word for wall or fence; can refer to the outer wall of a castle, but not specifically the top parapet. Use with caution.
塀 usually means a wall or fence at ground level, not specifically the top defensive wall. Clarify with context.
Specifically refers to the openings or loopholes in a parapet, not the wall itself. Sometimes used metonymically.
狭間から矢を放つ。
Shoot arrows through the parapet loopholes.
The protective barrier along the sides of a bridge, which can be a solid wall or a railing.
Refers to the railing or balustrade of a bridge, often made of stone, metal, or wood. Can be solid or with gaps.
橋の欄干にもたれて川を眺めた。
I leaned on the bridge parapet and looked at the river.
A more formal or traditional term for a bridge railing or parapet, often used in historical contexts.
General word for handrail; can be used for a bridge railing, but implies a rail rather than a solid wall.
A protective wall or embankment in front of a trench or military position, often made of earth or sandbags.
Used in military contexts for a parapet of a trench or fortification.
塹壕の胸壁に身を隠す。
Take cover behind the trench parapet.
A military term for a protective structure or cover, including a parapet. Rarely used outside specialized contexts.
パラペット is the most direct loanword and is used in modern architecture for roof and balcony edges. 胸壁 is the traditional term for castle or military parapets, often with battlements. 欄干 specifically refers to bridge railings or balustrades, which may be open rather than solid.
In English, 'parapet' can be used metaphorically (e.g., 'put your head above the parapet'). Japanese does not use パラペット or 胸壁 in such idioms. Instead, use expressions like 危険を冒す (take a risk) or 目立つ行動をする (do something that stands out).
Walk on top of the castle wall.
A bridge with beautiful vermilion parapets.
橋の手すりが低いので注意してください。
Be careful, the bridge parapet is low.
Lie down behind the parapet.