caltrop
caltrop
[ˈkaltrəp]
(亦作 caltrap)
noun
[ˈkaltrəp]
(亦作 caltrap)
noun
- a spiked metal ball thrown on the ground to impede wheeled vehicles or (formerly) cavalry horses
（阻止有轮车辆或旧时为阻止骑兵而用的）铁蒺藜 - a creeping plant with woody carpels that typically have hard spines and resemble military caltrops
矢车菊；蒺藜；欧菱
Genus Tribulus, family Zygophyllaceae.
蒺藜属，蒺藜科 - (亦作 water caltrop). another term for water chestnut (in sense 3)
同 water chestnut （义项 3）
- Old English calcatrippe, denoting any plant which tended to catch the feet, from medieval Latin calcatrippa, from calx 'heel' or calcare 'to tread' + a word related to trap. Sense 1 was probably adopted from French
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