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A large group of soldiers that forms the main body of an army. The infantry first truly came about with the miltary development of the Phalanx in Ancient Greece; This was a large, tight square-like formation of Greek soldiers carrying shields and very long lances that marched towards the enemy. These formations would continue for over two millienia, where soldiers would be organized in closely-formed lines (rows) and columns, and these which would gradually grow away from the thick, square-like formations into longer and thinner lines and taller, narrow columns. This move away from block-type formations allowed the infantry to have more movement and flexibility.
Infantry tactics and weaponry would continue to develop through the many centuries. The greatest era of the infantry was during the more-than-a-century long period from the French and Indian War (Mid-1750s to 1763) all the way to the Franco-Prussian War (1870). During this time, warfare saw the move from musketeers to riflemen, and also regular cannons to rifled artillery, as the process of "rifling" not only applied to battle rifles, but to artillery guns as well. During the greater part of the 19th Century, infantry tactics became known as "Napoleonic Tactics", named after the great Corsican general who catapulted all the way to Emperor of France, and eventually the temporary ruler of most of Europe. However, with the introduction of more-lethal rifled and repeating weapons by the time of the American Civil War, the tactics involving long, 2-3 rank battle lines of soldiers and tightly-packed formations in rows and columns marching in unison would have to change.
By the time of the Spanish-American War, tactics would change, as platoons, regiments, and battalions would find newer and less-dangerous methods of approaching and defending against the enemy. Today, infantry is truly different in the means of its tactics, weaponry, and the fact that they use vehicles, too. The infantrymen on military jeeps and trucks are known as "mechanized infantry". The infantry still makes up the major part of armies, and are included in both the Marines and the Army.
Infantry has always been the most important element of every single army.
by The Midwestrn Soldier March 27, 2005
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Jul 31 Word of the Day
(noun) A person who sits on the front porch and intimidates, says negative things, or otherwise makes things unpleasant for those nearby.
The boys walked past the house of old man Thompson, the neighborhood porch dick, who always assumed they were up to no good.
by bigweaseldaddy March 08, 2015
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The backbone of any fighting force.

Infantryman is a title that is earnt, not given.

Traditionally, infantry usually comprised of large amounts of untrained slave soldiers, but with the end of WW2 the infantry became the cutting edge of armies around the world, becoming useful at counter insurgency, low intensity operations that armour is too cumbersome for.
Steve joined the Parachute Regiment because he wanted to be the elite of the infantry.
by Crow Number Eleven November 25, 2007
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On the eight day, God created Infantry. He sayeth "let there be a game fit for Man, who was created in my image, and for me when I am bored" and thusly Infantry rose from the sea of binary code, a testament to divine power and the coolness of developer Harmless Games. But Man became sinful and an asshole (no surprise there), and God decided to destroy what he created. "Man has gone wrong," God said, "and I shall destroy these sinful men and bring about the ruination of their great game." And verily, He flooded the earth for 40 days and 40 nights, and made HG sell Infantry to Sonly Online Entertainment who promptly ruined it on divine order (not that they needed any help though).

Luckily for mankind Noah was allowed to build an ark and save his family and the animals, but God was swift and merciless with Infantry. After SOE completed its task, what remained of the once mighty game was set upon by all manner of demons, hackers, script kiddies, and nade lamers. And when the dust settled, Infantry was leveled, laid low by the hand that rent Sodom and Gomorrah, then banished to the underworld to be lorded over by Satan's assistant Joe for all of eternity.
And that is the story of the rise and fall of the greatest game ever.
by C++ August 16, 2005
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