Source : Webster's Revised Unabridged Dictionary (1913)

Runic \Ru"nic\, a.
   Of or pertaining to a rune, to runes, or to the Norsemen; as,
   runic verses; runic letters; runic names; runic rhyme.

   {Runic staff}. See {Clog almanac}, under {Clog}.

   {Runic wand}, a willow wand bearing runes, formerly thought
      to have been used by the heathen tribes of Northern Europe
      in magical ceremonies.

Source : WordNet®

runic
     adj : relating to or consisting of runes; "runic inscription"

Source : Free On-Line Dictionary of Computing

runic
     
         Obscure, consisting of {runes}.
     
        {VMS} fans sometimes refer to {Unix} as "RUnix".  Unix fans
        return the compliment by expanding VMS to "Very Messy Syntax"
        or "Vachement Mauvais Systeme" (French; literally "Cowlike Bad
        System", idiomatically "Bitchy Bad System").
     
        (1996-09-17)