prvalue UK /piːˈɑː.væl.juː/US /piˈɑɹ.væl.ju/ noun1 •An rvalue that is not an xvalue.In Pittsburgh (and a few places later), I had the opportunity to explain this terminology to several people. It can be done in a few minutes. I think it has prvalue (Groan!). — 2010 formsprvalues