WordNet (r) 3.0 (2006):

bap
    n 1: a small loaf or roll of soft bread

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

BAP
       [PPP] Bandwidth Allocation Protocol (PPP, RFC 2125, BACP)


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

BAP

   1.  An early system used on the IBM 701.

   [Listed in CACM 2(5):16 (May 1959)].

   (1994-11-28)

   2.  Brain Aid Prolog.

   (1995-03-07)