WordNet (r) 3.0 (2006):

BB
    n 1: a small pellet fired from an air rifle or BB gun [syn:
         BB, BB shot]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

BB
       BridgeBoard (Amiga, Commodore)


The Free On-line Dictionary of Computing (30 December 2018):

bb

    The country code for Barbados.

   (1999-01-27)