WAM

from The Free On-line Dictionary of Computing (8 July 2008)

WAM

   Intermediate language for compiled Prolog, used by the Warren
   Abstract Machine.  "An Abstract Prolog Instruction Set",
   D.H.D. Warren, TR 309, SRI 1983.

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

WAM
       Web Application Manager (MS, Windows)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

WAM
       Warren Abstract Machine (PROLOG)