The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]

   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.
      [1913 Webster]

Jargon File (4.4.4, 14 Aug 2003):

runic
 adj.

   Syn. obscure. 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 idiom, "Hugely Bad System").


Moby Thesaurus II by Grady Ward, 1.0:

29 Moby Thesaurus words for "runic":
   Alcaic, Anacreontic, Castalian, Homeric, Hudibrastic, Pierian,
   Pindaric, Theocritean, bardic, bucolic, didactic, dithyrambic,
   dramatic, eclogic, elegiac, epic, heroic, idyllic, mock-heroic,
   narrative, pastoral, poetic, poetico-mystical,
   poetico-mythological, poetico-philosophic, poetlike, rhapsodic,
   sapphic, skaldic