rectangular shield
1Shield — A shield is a protective device, meant to intercept attacks. The term often refers to a device that is held in the hand, as opposed to armour or a bullet proof vest.Prehistoric and AntiquityThe oldest form of shield was a protection used to block …
2Shield Wall — A military formation of infantry formed by condensing the shield carriers shoulder to shoulder, making penetration of the wall difficult. If the infantry were well disciplined, then, as they did at the Battle of Hastings, the wall can sometimes… …
3Scutum (shield) — Scutum (pronEng| skjuːtəm in English; pl. scuta ) is the Latin word for shield , although it has in modern times come to be specifically associated with the rectangular, semi cylindrical body shield carried by ancient Roman legionaries. The… …
4Highway shield — The shields for Interstate highways (left) and U.S. routes (right) can be seen on this set of markers in Virginia. A highway shield is a sign denoting the route number of a highway, usually in the form of a symbolic shape with the route number… …
5Riot shield — Riot shields are lightweight protection devices deployed by police and some military organizations. Most are a clear polycarbonate, though some are constructed of light metals with a view hole. Riot shields are almost exclusively long enough to… …
6Ballistic shield — A ballistic shield or tactical shield is a hand held shield that is capable of defeating handguns, shotguns and submachine guns. Less common are heavier and thicker rifle protection shields that are mounted on wheels for ease of mobility.… …
7Tunnelling shield — A tunnelling shield is a protective structure used in the excavation of tunnels through soil that is too soft or fluid to remain stable during the time it takes to line the tunnel with a support structure of concrete, cast iron or steel. In… …
8tunneling shield — ▪ engineering machine for driving tunnels in soft ground, especially under rivers or in water bearing strata. The problem of tunneling under a river had defied the engineering imagination for centuries because of the difficulty of preventing mud …
9List of Roman gladiator types — This is a list of the different types of gladiator in ancient Rome. IntroductionSome of the first gladiators had been prisoners of war, and so some of the first types of gladiators, Gauls , Samnites , and Thraces (Thracians) used their native… …
10Roman army — The Roman army was a set of military forces employed by the Roman Kingdom, Roman Republic and later Roman Empire as part of the Roman military. For its main infantry constituent and for much of its history, see Roman legion; for a catalogue of… …
