keystone

keystone
/kee"stohn'/, n.
1. the wedge-shaped piece at the summit of an arch, regarded as holding the other pieces in place.
2. something on which associated things depend: the keystone of one's philosophy.
3. Also called keystone sack. Baseball Slang. See second base (def. 1).
[1630-40; KEY1 + STONE]
Syn. 2. basis, principle, foundation, linchpin.

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Universalium. 2010.

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  • Keystone — Keystone, CO U.S. Census Designated Place in Colorado Population (2000): 825 Housing Units (2000): 2606 Land area (2000): 40.636910 sq. miles (105.249108 sq. km) Water area (2000): 0.006514 sq. miles (0.016872 sq. km) Total area (2000): 40.643424 …   StarDict's U.S. Gazetteer Places

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  • keystone — (n.) stone in the middle of an arch, which holds up the others, 1630s, from KEY (Cf. key) (n.1) in figurative sense of that which holds together other parts + STONE (Cf. stone). Figurative sense is from 1640s. Pennsylvania was called the Keystone …   Etymology dictionary

  • Keystone — ☆ Keystone [kē′stōn΄ ] adj. [after Keystone Comedy Co., the film producers] designating, of, or like the slapstick comedy of a series of silent films featuring a bungling, inept squad of policemen (Keystone Kops or Keystone Cops) in wild chases,… …   English World dictionary

  • Keystone, CO — U.S. Census Designated Place in Colorado Population (2000): 825 Housing Units (2000): 2606 Land area (2000): 40.636910 sq. miles (105.249108 sq. km) Water area (2000): 0.006514 sq. miles (0.016872 sq. km) Total area (2000): 40.643424 sq. miles… …   StarDict's U.S. Gazetteer Places

  • Keystone, FL — U.S. Census Designated Place in Florida Population (2000): 14627 Housing Units (2000): 5709 Land area (2000): 36.078818 sq. miles (93.443706 sq. km) Water area (2000): 3.164101 sq. miles (8.194984 sq. km) Total area (2000): 39.242919 sq. miles… …   StarDict's U.S. Gazetteer Places

  • Keystone, IA — U.S. city in Iowa Population (2000): 687 Housing Units (2000): 281 Land area (2000): 0.370289 sq. miles (0.959043 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.370289 sq. miles (0.959043 sq. km) FIPS code:… …   StarDict's U.S. Gazetteer Places

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