Translation guide
A spiked metal device scattered on the ground to hinder cavalry or vehicles. In Japanese, the most common term is まきびし, a historical weapon. Modern or technical contexts may use カルトロップ.
To refer to the traditional spiked metal object used in warfare to impede horses or foot soldiers.
The standard Japanese term for caltrop, originally made from water chestnut seeds or metal. Used in historical and ninja contexts.
The ninja scattered caltrops while escaping.
Specifically iron caltrops, emphasizing the material. Less common than まきびし.
Iron caltrops were used during the Warring States period.
Loanword from English, used in modern military or gaming contexts. Not widely recognized in everyday Japanese.
In the game, you place caltrops to slow the enemy's advance.
To refer to a modern device used by police or security to puncture vehicle tires.
The common term for a tire spike strip used by police. Not historically a caltrop, but functionally similar.
The police set up a spike strip to stop the fleeing vehicle.
A more generic term for tire spikes, sometimes used for portable devices. Less specific than スパイクストリップ.
To refer to the aquatic plant Trapa natans or its spiky seed, which inspired the weapon.
Directly translating 'caltrop' as カルトロップ may not be understood in historical contexts. Use まきびし for traditional weapons.
まきびし refers to ancient scattered spikes, while スパイクストリップ is a modern strip used against vehicles. Do not confuse them.
Tire spikes are installed at the parking lot exit.
Caltrops mimic the shape of water caltrop seeds.