Pearl Harbor

noun

Definition of Pearl Harbor

 (Entry 1 of 2)

: a surprise attack often with devastating effect

Pearl Harbor

geographical name

Definition 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.

First Known Use of Pearl Harbor

Noun

1942, in the meaning defined above

History and Etymology for Pearl Harbor

Noun

Pearl Harbor, Oahu, Hawaii, American naval station attacked without warning by the Japanese on December 7, 1941

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The first known use of Pearl Harbor was in 1942

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Cite this Entry

“Pearl Harbor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Pearl%20Harbor. Accessed 13 Jul. 2020.

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