D defs.my
Entry 1 sense Webster, 1913

BC

· IPA /biːˈsiː/
01 n. before Christ; used in reckoning dates before the supposed year Christ was born, i.e. 1 a. d..
  1. 1.
    before Christ; used in reckoning dates before the supposed year Christ was born, i.e. 1 a. d..