RV 2 topics · 2 sources TechnologyDefenseSee Reentry Vehicle.DoD Missile Defense Agency — MDA Glossary Cite Technology› ProgrammingPerlA recreational vehicle, not to be confused with vehicular recreation. RV also means an internal Reference Value of the type a "scalar" can hold. See also "IV" and "NV" if you're not confused yet.Perl — Perl Glossary Cite