caltrop

英語（米国） (en-US) 英語（イギリス） (en-GB)

IPA（発音記号）

/ˈkæltɹəp/

名詞

口語

(weaponry) A small, metal object with spikes arranged so that, when thrown onto the ground, one always faces up as a threat to pedestrians, horses, and vehicles.

このボタンはなに？

A caltrop hidden on the road punctured the patrol vehicle's tire and stalled their advance.

詳細

意味（1）

(weaponry) A small, metal object with spikes arranged so that, when thrown onto the ground, one always faces up as a threat to pedestrians, horses, and vehicles.

[…] her father, the emperor Alexius, who reigned AD 1081-1118, ordered caltrops to be cast in front of his archers […]

詳細

意味（2）

(heraldry) The same object represented as a heraldic charge.

意味（3）

(colloquial) The starthistle, Centaurea calcitrapa, a plant with sharp thorns.

意味（4）

Any of a number of flowering plants in the family Zygophyllaceae, including several members of the genus Kallstroemia and the species Tribulus terrestris, native to warm temperate and tropical regions.

caltrops （ 複数形 ）