Definitions of Byrd:

• noun:   explorer and United States naval officer; led expeditions to explore Antarctica (1888-1957)
• noun:   English organist and composer of church music; master of 16th century polyphony; was granted a monopoly in music printing with Thomas Tallis (1543-1623)
• name:  A surname (common: 1 in 2439 families; popularity rank in the U.S.: #261)