Definition of Keystone State. Meaning of Keystone State. Synonyms of Keystone State
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Definition of Keystone State
Keystone State 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.
Keystone State Keystone State Key"stone` State
Pennsylvania; -- a nickname alluding to its having been the
central one of the 13 original United States.