The Collaborative International Dictionary of English v.0.48:
pe \pe\ n.
   The 17th letter of the Hebrew alphabet.
   [WordNet 1.5]
WordNet (r) 3.0 (2006):
P.E.
    n 1: the mechanical energy that a body has by virtue of its
         position; stored energy [syn: potential energy, P.E.]
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
PE
       Phase Encoding
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
PE
       Preinstallation Environment (MS, Windows, XP)
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
PE
       Portable eXecutable (Win32, Java)
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
PE
       Processing Element (MPP)