br meaning and definition

BR noun

Definition of Br (noun)

1. a nonmetallic heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water
   • synonyms: atomic number 35, bromine
2. a Marxist-Leninist terrorist organization that arose out of a student protest movement in the late 1960s; wants to separate Italy from NATO and advocates violence in the service of class warfare and revolution; mostly inactive since 1989
   • synonyms: Brigate Rosse, Red Brigades