Caltrop - définition. Qu'est-ce que Caltrop
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Qu'est-ce (qui) est Caltrop - définition

WEAPON WITH SPIKES
Caltrops; Jack rock; Star nail; Caltrap; Calthrops; Cheval trap; Caltraps; Jack rocks; Foot spike
  • Shoulder insignia of [[III Corps (United States)]]
  • Caltrop used by the US [[Office of Strategic Services]]. The hollow spikes puncture self-sealing rubber tires. The hole in the center allows air to escape even if other ends of the tube are sealed by soft ground.
  • Coat of arms of [[Stirling]]
  • Crow's feet boards studded with spikes. These were laid on the ground to prevent the enemy from approaching the defences. This board was used by the Russian Army during the [[Battle of Balaclava]]. On display at Royal Engineers Museum, Kent.
  • A 16th-century caltrop
  • Exploding gunpowder caltrops from the [[Yuan Dynasty]] at the [[National Museum of China]]
  • Illustration from the 18th century Chinese book ''[[Gujin Tushu Jicheng]]'', showing caltrops with spikes that stick in the ground
  • Different types of caltrops and metal soles that can be buckled underneath as a countermeasure from Codex Löffelholz, Nuremberg 1505
  • Roman caltrop at the Westphalian Museum of Archeology (German: Westfälisches Museum für Archäologie), [[Herne, North Rhine-Westphalia]], Germany
  • Traditional and explosive caltrops from the [[Mongol Empire]]

Caltrop         
·noun ·Alt. of Caltrap.
caltrop         
['kaltr?p]
(also caltrap)
¦ noun
1. a spiked metal ball thrown on the ground to impede wheeled vehicles or (formerly) cavalry horses.
2. a creeping plant with woody carpels that typically have hard spines. [Genus Tribulus.]
3. (also water caltrop) another term for water chestnut (in sense 2).
Origin
OE calcatrippe, from med. L. calcatrippa, from calx 'heel' or calcare 'to tread' + a word related to trap1.
Caltrop         
A caltrop (also known as caltrap, galtrop, cheval trap, galthrap, galtrap, calthrop, jackrock or crow's footBattle of Alesia (Caesar's conquest of Gaul in 52 BC), Battlefield Detectives program, (2006), rebroadcast: 2008-09-08 on History Channel International (13:00-14:00 hrs EDST); Note: No mention of name caltrop at all, but illustrated and given as battle key to defend Roman lines of circumvallation per recent digs evidence.) is an area denial weapon made up of two or more sharp nails or spines arranged in such a manner that one of them always points upward from a stable base (for example, a tetrahedron).

Wikipédia

Caltrop

A caltrop (also known as caltrap, galtrop, cheval trap, galthrap, galtrap, calthrop, jackrock or crow's foot) is an area denial weapon made up of two or more sharp nails or spines arranged in such a manner that one of them always points upward from a stable base (for example, a tetrahedron). Historically, caltrops were part of defences that served to slow the advance of troops, especially horses, chariots, and war elephants, and were particularly effective against the soft feet of camels. In modern times, caltrops are effective when used against wheeled vehicles with pneumatic tires.