( BrE ) ( NAmE B.S. ) / ˌbiː ˈes; NAmE / abbreviation
1.
( US ) = BSc
2.
( BrE ) the abbreviation for 'Bachelor of Surgery' (a university degree in medicine)
3.
British Standard (used on labels, etc. showing a number given by the British Standards Institution which controls the quality of products) :
produced to BS4353
4.
( US , taboo , slang ) bullshit :
That guy's full of BS.