Pearl Harbor

n. American naval base off the southern coast of Hawaii that was attacked by the Japanese on December 7th 1941 (major factor that motivated the United States to join World War II)

For the World War II military action see Attack on Pearl Harbor Pearl Harbor is a harbor on the island of Oahu, Hawaii, west of Honolulu. Much of the harbor and surrounding lands is a United States Navy deep-water naval base. It is also the headquarters of the U.S. Pacific Fleet. The attack on Pearl Harbor by Japan on December 7, 1941 brought the United States into World War II.
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n. Pearl Harbor, harbor in Hawaii

Noun
1. a harbor on Oahu west of Honolulu; location of a United States naval base that was attacked by the Japanese on 7 Dec 1941
(hypernym) seaport, haven, harbor, harbour
(part-holonym) Oahu, Oahu Island