SINCE 1828
Pearl Harbor
nounDefinition of Pearl Harbor
(Entry 1 of 2)
: a surprise attack often with devastating effect
Pearl Harbor
geographical nameDefinition of Pearl Harbor (Entry 2 of 2)
inlet of the Pacific on the southern coast of Oahu, Hawaii, west of Honolulu; site of a U.S. Navy base
Note: The Japanese attack on Pearl Harbor on December 7, 1941 precipitated the U.S. entry into World War II.
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