[kee-stohn] Pronunciation Key | 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. second base (def. 1). |
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
| key·stone
(kē'stōn') Pronunciation Key
n.
|
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
keystone
| keystone | |
noun | |
| 1. | a central cohesive source of support and stability; "faith is his anchor"; "the keystone of campaign reform was the ban on soft money"; "he is the linchpin of this firm" [syn: anchor] |
| 2. | the central building block at the top of an arch or vault |
Keystone Heights, FL (city, FIPS 36475) Location: 29.78001 N, 82.03367 W
Population (1990): 1315 (565 housing units)
Area: 2.2 sq km (land), 0.1 sq km (water)
Zip code(s): 32656
Keystone, AL Zip code(s): 35007
Keystone, CO Zip code(s): 80435
Keystone, IA (city, FIPS 41115) Location: 41.99976 N, 92.19858 W
Population (1990): 568 (252 housing units)
Area: 1.0 sq km (land), 0.0 sq km (water)
Zip code(s): 52249
Keystone, IN Zip code(s): 46759
Keystone, NE Zip code(s): 69144
Keystone, SD (town, FIPS 33820) Location: 43.89435 N, 103.42887 W
Population (1990): 232 (137 housing units)
Area: 7.4 sq km (land), 0.0 sq km (water)
Zip code(s): 57751
Keystone, WV (city, FIPS 43516) Location: 37.41501 N, 81.44626 W
Population (1990): 627 (302 housing units)
Area: 0.8 sq km (land), 0.0 sq km (water)
Keystone
Key"stone`\, n. (Arch.) The central or topmost stone of an arch. This in some styles is made different in size from the other voussoirs, or projects, or is decorated with carving. See Illust. of Arch. Keystone State, the State of Pennsylvania; -- so called from its having been the central State of the Union at the formation of the Constitution.
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