Found 2 items, similar to Keystone State.
English → English (WordNet) Definition: Keystone State Keystone State n : a Mid-Atlantic state; one of the original 13 colonies [syn: Pennsylvania, PA]
English → English (gcide) Definition: Keystone State Keystone State \Key"stone` State\ Pennsylvania; -- a nickname alluding to its having been the central one of the 13 original United States, at the time of formation of the Constitution. [Webster 1913 Suppl.]