Pearl Harbor

Short definition from Wiktionary

Proper noun

1. 1
   A placename: A deep water harbor in Oahu, Hawaii, United States in the Pacific.
2. 2
   A placename: A naval base in Pearl Harbor, Oahu, Hawaii, United States: a US Navy base
3. 3
   A harbour in Manapouri, Fiordland, Southland, New Zealand, at the head of the Waiau River.
4. 4
   The attack on Pearl Harbor.

Noun

1. 1
   A sneak attack, often using underhanded measures.
2. 2
   A seminal dramatic event that unites a community and arouses it into action against an enemy.

Verb

1. 1
   To attack by surprise; to subject to a sneak attack.
2. 2
   To take rudely by surprise.