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wildcat
wildcat common name of Old World cats ( Felis sylvestris ) of Europe, Asia, and Africa. The wildcat resembles a large domestic tabby cat with a heavy tail; its fur is brownish to gray, with a pattern of light stripes. It can and does interbreed with domestic cats. The five subspecies are the Euro...
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cat
cat name applied broadly to the carnivorous mammals constituting the family Felidae, and specifically to the domestic cat, Felis catus. The great roaring cats, the lion , tiger , and leopard are anatomically very similar to one another and constitute the genus Panthera, which also includes ...
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cat's-eye
cat's-eye gemstone that displays a thin band of reflected light on its surface when cut as a cabochon. Its name is derived from its supposed resemblance to the eye of a cat. The optical effect, known as chatoyancy, is caused by the reflection of light from very thin, closely spaced filaments in par...
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panther
panther name commonly applied to the leopard , especially to a black leopard. It is also used locally to designate various other cats including the jaguar and the puma . In animal systematics the generic name Panthera is given to all the big roaring cats—the lion , tiger , and leopard...
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lung cancer
lung cancer cancer that originates in the tissues of the lungs . Lung cancer is the leading cause of cancer death in the United States in both men and women. Like other cancers, lung cancer occurs after repeated insults to the genetic material of the cell. By far the most common source of these ...
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San Salvador
San Salvador island of the Bahamas , West Indies. Many historians believe that it was the first land sighted by Columbus in the New World in 1492. The indigenous population called it Guanahani, and it has also been named Watling or Watlings Island. It was formerly confused with what is now known a...
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bobcat
bobcat (wild cat or red lynx) Vicious, short-tailed cat found throughout swamp, forest and grassland regions of the USA, s Canada, and Central America. Its reddish-brown coat has black spots with white underparts. The bobcat feeds on rodents and gives birth to 2–4 young following a gestation...
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Kit-Cat Club
Kit-Cat Club London political and literary club, active c.1700-1720. The membership of some four dozen included leading Whig politicians and London's best young writers. Among them were Charles Seymour, 6th duke of Somerset; Sir Robert Walpole; Thomas Pelham-Holles, duke of Newcastle; William Congr...
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CAT scan
CAT scan [ c omputerized a xial t omography], X-ray technique that allows relatively safe, painless, and rapid diagnosis in previously inaccessible areas of the body; also called CT scan. An X-ray tube, rotating around a specific area of the body, delivers an appropriate amount of X radiation f...
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cheetah
cheetah , carnivore of the cat family, Acinonyx jubatus, native to Africa S of the Sahara and SW Asia as far east as India. Formerly numerous all over their range, they are extinct now in Asia except for small numbers in Iran's Dasht-e Kavir, and are threatened in all of their range. The cheetah...
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