/krooh"zeuhr/, n.
1. a person or thing that cruises.
2. one of a class of warships of medium tonnage, designed for high speed and long cruising radius.
3. See squad car.
4. a vessel, esp. a power-driven one, intended for cruising.
6. Also called timber cruiser. a person who estimates the value of the timber in a tract of forest.
7. Slang. a prostitute who walks the street soliciting customers.
[1670-80; < D kruiser, equiv. to kruis(en) to CRUISE + -er -ER1]

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Warship built for high speed and great cruising radius, smaller than a battleship but larger than a destroyer.

The term originally meant frigates of the sailing era, used to scout for enemy fleets and raid convoys. After 1880, it was a specific type of armoured warship. By World War II, cruisers served mainly as floating bases for amphibious assaults and as protection for aircraft-carrier task forces. Today U.S. cruisers carry surface-to-air missiles vital to a fleet's air-defense screen. Nuclear propulsion has given some cruisers virtually unlimited range.

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 warship built for high speed and great cruising radius, smaller than a battleship but larger than a destroyer.

      The word cruiser was applied originally to frigates of the sailing era, which, being smaller and faster than ships of the line, scouted for enemy fleets and cruised the seas hunting enemy convoys. As the designation for a specific type of warship, cruiser did not become current until about 1880, when navies had settled on iron-hulled ships powered solely by steam. Cruisers became the frigates of the steam era.

      By about 1900, cruisers were of two principal kinds; protected cruisers had steel armour plating only on their decks, while armoured cruisers also had armour extending down the sides of the hull. In the decades before World War I, armoured cruisers were eclipsed by cruisers as large as battleships (displacing up to 20,000 tons) and carrying dreadnought-style armament of big guns of uniform calibre. These so-called battle cruisers achieved greater speed—about 25 knots—by limiting the thickness of their armour. At the Battle of the Falkland Islands in December 1914, the advantages of speed and big guns were demonstrated when two British battle cruisers destroyed two German armoured cruisers. But the weakness of light armour became apparent at the Battle of Jutland in 1916, when Britain lost three battle cruisers to heavy German battleships.

      The Washington Treaty of 1922 limited cruisers to 10,000 tons, but many nations violated the treaty even before it was abandoned shortly before World War II. By then, cruisers had been deprived of their scouting functions by naval aircraft, and submarines had largely usurped their role as convoy raiders. During the war they served mostly as floating batteries for amphibious assaults and as part of air-defense screens protecting aircraft-carrier task forces. For this latter role, special antiaircraft cruisers were built, carrying as main armament about a dozen rapid-fire guns of only four to five inches.

      After the war gun armament was replaced by guided missiles. U.S. cruisers, which carried surface-to-air missiles, became the first line in a fleet's air-defense screen, while Soviet cruisers carried long-range antiship missiles and retained some of the ship-killing functions of earlier cruisers. A modern guided-missile cruiser typically has a length of about 600 feet (about 180 m), a displacement of 7,000 to 10,000 tons, a top speed of over 30 knots, and a crew of about 500. The introduction of cruise missiles has restored some of the offensive power of U.S. cruisers.

      Another important postwar development has been nuclear propulsion, which has given some cruisers virtually unlimited range.

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Universalium. 2010.

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