/ Dictionary / Index A Alcatraz: Meaning and Definition of Find definitions for: Al•ca•traz Pronunciation: (al'ku-traz"), [key] — n. a small island in W California, in San Francisco Bay: site of a U.S. penitentiary 1933–63. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Alcathous alcayde Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language