1. (noun)Bailey, Pearl Bailey, Pearl Mae Bailey United States singer (1918-1990)
2. (noun)Bailey, Nathan Bailey, Nathaniel Bailey English lexicographer who was the first to treat etymology consistently; his work was used as a reference by Samuel Johnson (died in 1742)
3. (noun)bailey the outer courtyard of a castle
4. (noun)bailey the outer defensive wall that surrounds the outer courtyard of a castle