ra-

from The Collaborative International Dictionary of English v.0.48

Ra \Ra\ (r[aum]), n.
   A roe; a deer. [Obs.] --Chaucer.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Ra- \Ra-\
   A prefix, from the Latin re and ad combined, coming to us
   through the French and Italian. See {Re-}, and {Ad-}.
   [1913 Webster]

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

RA
       Real Address (Power4, IBM, CPU)

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

RA
       Registration Authority (PKI, ITU, cryptography)

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

RA
       Remote Access (BBS)

from Moby Thesaurus II by Grady Ward, 1.0

24 Moby Thesaurus words for "Ra":
      Amen-Ra, Anubis, Apollo, Bast, Helios, Horus, Hyperion, Isis, Khem,
      Min, Neph, Nephthys, Nut, Osiris, Phoebus, Phoebus Apollo, Ptah,
      Savitar, Set, Shamash, Sol, Surya, Thoth, Titan