keystone
         n 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}, {mainstay}, {keystone}, {backbone}, {linchpin},
               {lynchpin}]
         2: the central building block at the top of an arch or vault
            [syn: {keystone}, {key}, {headstone}]

English Dictionary: kick downstairs	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
Keystone State n a Mid-Atlantic state; one of the original 13 colonies [syn: Pennsylvania, Keystone State, PA]
From WordNet (r) 3.0 (2006) [wn]:
Keystone Stater n a native or resident of Pennsylvania [syn: Pennsylvanian, Keystone Stater]
From WordNet (r) 3.0 (2006) [wn]:
kick down v open violently; "kick in the doors" [syn: kick in, {kick down}]
From WordNet (r) 3.0 (2006) [wn]:
kick downstairs v assign to a lower position; reduce in rank; "She was demoted because she always speaks up"; "He was broken down to Sergeant" Synonym(s): demote, bump, relegate, break, kick downstairs Antonym(s): advance, elevate, kick upstairs, promote, raise, upgrade
From WordNet (r) 3.0 (2006) [wn]:
kickstand n a swiveling metal rod attached to a bicycle or motorcycle or other two-wheeled vehicle; the rod lies horizontally when not in use but can be kicked into a vertical position as a support to hold the vehicle upright when it is not being ridden
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
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.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
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.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Keystone State \Key"stone` State\       Pennsylvania; -- a nickname alluding to its having been the       central one of the 13 original United States.
From U.S. Gazetteer (1990) [gazetteer]:
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)
From U.S. Gazetteer (1990) [gazetteer]:
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