Definitions of britt:

• noun:   minute crustaceans forming food for right whales
• noun:   the young of a herring or sprat or similar fish
• name:  A surname (common: 1 in 7142 families; popularity rank in the U.S.: #878)
• name:  A male given name (rare: 1 in 25000 males; popularity rank in the U.S.: #1123)
• name:  A female given name (rare: 1 in 33333 females; popularity rank in the U.S.: #2109)