Czech hedgehog

== English == === Noun === Czech hedgehog (plural Czech hedgehogs) (military) A static antitank and anti–landing craft obstacle, widely used during World War II, constructed from three mutually perpendicular steel rails connected in the form of a tripod. Coordinate terms: caltrop; Belgian Gate, dragon's teeth ==== Translations ==== ==== See also ==== === Further reading === Czech hedgehog on Wikipedia.Wikipedia