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Alcatraz

American  
[al-kuh-traz] / ˈæl kəˌtræz /

noun

  1. a small island in W California, in San Francisco Bay: site of a U.S. penitentiary 1933–63.


Alcatraz British  
/ ˈælkəˌtræz /

noun

  1. an island in W California, in San Francisco Bay: a federal prison until 1963

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Ahead of its closure, "Alligator Alcatraz" drew criticism from lawyers, relatives of detainees and human rights advocates, who accused the government of holding undocumented migrants in harsh conditions and denying them meaningful due process.

From Barron's ● Sep. 14, 2026

When she first went to visit Arion, in the Fort Mason Center for Arts and Culture overlooking Alcatraz Island, Saenko expected “some half-baked makerspace.”

From The Wall Street Journal ● Sep. 4, 2026

The Fire Department and partner agencies responded to a report of a vessel on fire about 600 yards off of Alcatraz Island at 3:35 p.m.

From Los Angeles Times ● Jul. 14, 2026

Eastwood plays the spoon-wielding lead in this thrilling jailbreak saga based on the infamous real-life escape from the Alcatraz Federal Penitentiary in 1962.

From Slate ● Jun. 11, 2026

“So,” my mom said when I was done with the story, “you wrecked Alcatraz Island, made Mount St. Helens explode, and displaced half a million people, but at least you’re safe.”

From "The Battle of the Labyrinth" by Rick Riordan

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