BSA

plural BSAs

1. abbreviationcountableinitialismuncountableInitialism of business systems analyst.
2. abbreviationcountableinitialismuncountablebiochemistryInitialism of bovine serum albumin.
3. abbreviationcountableinitialismuncountablemedicineInitialism of body surface area.
4. abbreviationcountableinitialismuncountableeducationInitialism of Bachelor of Science and Arts.

1. abbreviationinitialismscoutingInitialism of Boy Scouts of America.

   BuzzFeed News previously obtained a letter reportedly from GSUSA President Kathy Hopinkah Hannan, who accused BSA of welcoming girls to help their diminished enrollment numbers.

   2019 February 1, Dakin Andone, “Girls can join the Boy Scouts now – but not everyone is happy about it”, in CNN

2. UKabbreviationhistoricalinitialismInitialism of Birmingham Small Arms Company; also (cycling) a type of bottom bracket threading.
3. IndiaabbreviationinitialismInitialism of Bharatiya Sakshya Act, the official evidence act of India.